89969940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 240

約数和(自身を含む): 308985600

約数和(自身を除く): 219015660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 45, 54, 57, 60, 74, 76, 79, 81, 90, 95, 108, 111, 114, 135, 148, 158, 162, 171, 180, 185, 190, 222, 228, 237, 270, 285, 316, 324, 333, 342, 370, 380, 395, 405, 444, 474, 513, 540, 555, 570, 666, 684, 703, 711, 740, 790, 810, 855, 948, 999, 1026, 1110, 1140, 1185, 1332, 1406, 1422, 1501, 1539, 1580, 1620, 1665, 1710, 1998, 2052, 2109, 2133, 2220, 2370, 2565, 2812, 2844, 2923, 2997, 3002, 3078, 3330, 3420, 3515, 3555, 3996, 4218, 4266, 4503, 4740, 4995, 5130, 5846, 5994, 6004, 6156, 6327, 6399, 6660, 7030, 7110, 7505, 7695, 8436, 8532, 8769, 9006, 9990, 10260, 10545, 10665, 11692, 11988, 12654, 12798, 13509, 14060, 14220, 14615, 14985, 15010, 15390, 17538, 18012, 18981, 19980, 21090, 21330, 22515, 25308, 25596, 26307, 27018, 29230, 29970, 30020, 30780, 31635, 31995, 35076, 37962, 40527, 42180, 42660, 43845, 45030, 52614, 54036, 55537, 56943, 58460, 59940, 63270, 63990, 67545, 75924, 78921, 81054, 87690, 90060, 94905, 105228, 111074, 113886, 121581, 126540, 127980, 131535, 135090, 157842, 162108, 166611, 175380, 189810, 202635, 222148, 227772, 236763, 243162, 263070, 270180, 277685, 284715, 315684, 333222, 379620, 394605, 405270, 473526, 486324, 499833, 526140, 555370, 569430, 607905, 666444, 789210, 810540, 833055, 947052, 999666, 1110740, 1138860, 1183815, 1215810, 1499499, 1578420, 1666110, 1999332, 2367630, 2431620, 2499165, 2998998, 3332220, 4498497, 4735260, 4998330, 5997996, 7497495, 8996994, 9996660, 14994990, 17993988, 22492485, 29989980, 44984970, 89969940]

約数ペア:

[(1, 89969940), (2, 44984970), (3, 29989980), (4, 22492485), (5, 17993988), (6, 14994990), (9, 9996660), (10, 8996994), (12, 7497495), (15, 5997996), (18, 4998330), (19, 4735260), (20, 4498497), (27, 3332220), (30, 2998998), (36, 2499165), (37, 2431620), (38, 2367630), (45, 1999332), (54, 1666110), (57, 1578420), (60, 1499499), (74, 1215810), (76, 1183815), (79, 1138860), (81, 1110740), (90, 999666), (95, 947052), (108, 833055), (111, 810540), (114, 789210), (135, 666444), (148, 607905), (158, 569430), (162, 555370), (171, 526140), (180, 499833), (185, 486324), (190, 473526), (222, 405270), (228, 394605), (237, 379620), (270, 333222), (285, 315684), (316, 284715), (324, 277685), (333, 270180), (342, 263070), (370, 243162), (380, 236763), (395, 227772), (405, 222148), (444, 202635), (474, 189810), (513, 175380), (540, 166611), (555, 162108), (570, 157842), (666, 135090), (684, 131535), (703, 127980), (711, 126540), (740, 121581), (790, 113886), (810, 111074), (855, 105228), (948, 94905), (999, 90060), (1026, 87690), (1110, 81054), (1140, 78921), (1185, 75924), (1332, 67545), (1406, 63990), (1422, 63270), (1501, 59940), (1539, 58460), (1580, 56943), (1620, 55537), (1665, 54036), (1710, 52614), (1998, 45030), (2052, 43845), (2109, 42660), (2133, 42180), (2220, 40527), (2370, 37962), (2565, 35076), (2812, 31995), (2844, 31635), (2923, 30780), (2997, 30020), (3002, 29970), (3078, 29230), (3330, 27018), (3420, 26307), (3515, 25596), (3555, 25308), (3996, 22515), (4218, 21330), (4266, 21090), (4503, 19980), (4740, 18981), (4995, 18012), (5130, 17538), (5846, 15390), (5994, 15010), (6004, 14985), (6156, 14615), (6327, 14220), (6399, 14060), (6660, 13509), (7030, 12798), (7110, 12654), (7505, 11988), (7695, 11692), (8436, 10665), (8532, 10545), (8769, 10260), (9006, 9990)]