720179910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:145

約数の個数: 320

約数和(自身を含む): 2207969280

約数和(自身を除く): 1487789370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 29, 30, 31, 43, 45, 46, 54, 58, 62, 69, 81, 86, 87, 90, 93, 115, 129, 135, 138, 145, 155, 162, 174, 186, 207, 215, 230, 258, 261, 270, 279, 290, 310, 345, 387, 405, 414, 430, 435, 465, 522, 558, 621, 645, 667, 690, 713, 774, 783, 810, 837, 870, 899, 930, 989, 1035, 1161, 1242, 1247, 1290, 1305, 1333, 1334, 1395, 1426, 1566, 1674, 1798, 1863, 1935, 1978, 2001, 2070, 2139, 2322, 2349, 2494, 2511, 2610, 2666, 2697, 2790, 2967, 3105, 3335, 3483, 3565, 3726, 3741, 3870, 3915, 3999, 4002, 4185, 4278, 4495, 4698, 4945, 5022, 5394, 5805, 5934, 6003, 6210, 6235, 6417, 6665, 6670, 6966, 7130, 7482, 7830, 7998, 8091, 8370, 8901, 8990, 9315, 9890, 10005, 10695, 11223, 11610, 11745, 11997, 12006, 12470, 12555, 12834, 13330, 13485, 14835, 16182, 17415, 17802, 18009, 18630, 18705, 19251, 19995, 20010, 20677, 21390, 22446, 23490, 23994, 24273, 25110, 26703, 26970, 28681, 29670, 30015, 30659, 32085, 33669, 34830, 35991, 36018, 37410, 38502, 38657, 39990, 40455, 41354, 44505, 48546, 53406, 54027, 56115, 57362, 57753, 59985, 60030, 61318, 62031, 64170, 67338, 71982, 72819, 77314, 80109, 80910, 86043, 89010, 90045, 91977, 96255, 101007, 103385, 107973, 108054, 112230, 115506, 115971, 119970, 121365, 124062, 133515, 143405, 145638, 153295, 160218, 168345, 172086, 179955, 180090, 183954, 186093, 192510, 193285, 202014, 206770, 215946, 231942, 242730, 258129, 267030, 270135, 275931, 286810, 288765, 306590, 310155, 336690, 347913, 359910, 364095, 372186, 386570, 400545, 430215, 459885, 505035, 516258, 539865, 540270, 551862, 558279, 577530, 579855, 620310, 695826, 728190, 774387, 801090, 827793, 860430, 889111, 919770, 930465, 1010070, 1043739, 1079730, 1116558, 1159710, 1290645, 1379655, 1548774, 1655586, 1674837, 1739565, 1778222, 1860930, 2087478, 2323161, 2483379, 2581290, 2667333, 2759310, 2791395, 3131217, 3349674, 3479130, 3871935, 4138965, 4445555, 4646322, 4966758, 5218695, 5334666, 5582790, 6262434, 7743870, 8001999, 8277930, 8374185, 8891110, 10437390, 11615805, 12416895, 13336665, 15656085, 16003998, 16748370, 23231610, 24005997, 24833790, 26673330, 31312170, 40009995, 48011994, 72017991, 80019990, 120029985, 144035982, 240059970, 360089955, 720179910]

約数ペア:

[(1, 720179910), (2, 360089955), (3, 240059970), (5, 144035982), (6, 120029985), (9, 80019990), (10, 72017991), (15, 48011994), (18, 40009995), (23, 31312170), (27, 26673330), (29, 24833790), (30, 24005997), (31, 23231610), (43, 16748370), (45, 16003998), (46, 15656085), (54, 13336665), (58, 12416895), (62, 11615805), (69, 10437390), (81, 8891110), (86, 8374185), (87, 8277930), (90, 8001999), (93, 7743870), (115, 6262434), (129, 5582790), (135, 5334666), (138, 5218695), (145, 4966758), (155, 4646322), (162, 4445555), (174, 4138965), (186, 3871935), (207, 3479130), (215, 3349674), (230, 3131217), (258, 2791395), (261, 2759310), (270, 2667333), (279, 2581290), (290, 2483379), (310, 2323161), (345, 2087478), (387, 1860930), (405, 1778222), (414, 1739565), (430, 1674837), (435, 1655586), (465, 1548774), (522, 1379655), (558, 1290645), (621, 1159710), (645, 1116558), (667, 1079730), (690, 1043739), (713, 1010070), (774, 930465), (783, 919770), (810, 889111), (837, 860430), (870, 827793), (899, 801090), (930, 774387), (989, 728190), (1035, 695826), (1161, 620310), (1242, 579855), (1247, 577530), (1290, 558279), (1305, 551862), (1333, 540270), (1334, 539865), (1395, 516258), (1426, 505035), (1566, 459885), (1674, 430215), (1798, 400545), (1863, 386570), (1935, 372186), (1978, 364095), (2001, 359910), (2070, 347913), (2139, 336690), (2322, 310155), (2349, 306590), (2494, 288765), (2511, 286810), (2610, 275931), (2666, 270135), (2697, 267030), (2790, 258129), (2967, 242730), (3105, 231942), (3335, 215946), (3483, 206770), (3565, 202014), (3726, 193285), (3741, 192510), (3870, 186093), (3915, 183954), (3999, 180090), (4002, 179955), (4185, 172086), (4278, 168345), (4495, 160218), (4698, 153295), (4945, 145638), (5022, 143405), (5394, 133515), (5805, 124062), (5934, 121365), (6003, 119970), (6210, 115971), (6235, 115506), (6417, 112230), (6665, 108054), (6670, 107973), (6966, 103385), (7130, 101007), (7482, 96255), (7830, 91977), (7998, 90045), (8091, 89010), (8370, 86043), (8901, 80910), (8990, 80109), (9315, 77314), (9890, 72819), (10005, 71982), (10695, 67338), (11223, 64170), (11610, 62031), (11745, 61318), (11997, 60030), (12006, 59985), (12470, 57753), (12555, 57362), (12834, 56115), (13330, 54027), (13485, 53406), (14835, 48546), (16182, 44505), (17415, 41354), (17802, 40455), (18009, 39990), (18630, 38657), (18705, 38502), (19251, 37410), (19995, 36018), (20010, 35991), (20677, 34830), (21390, 33669), (22446, 32085), (23490, 30659), (23994, 30015), (24273, 29670), (25110, 28681), (26703, 26970)]