161979480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 256

約数和(自身を含む): 592704000

約数和(自身を除く): 430724520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 83, 90, 104, 108, 117, 120, 130, 135, 139, 156, 166, 180, 195, 216, 234, 249, 260, 270, 278, 312, 332, 351, 360, 390, 415, 417, 468, 498, 520, 540, 556, 585, 664, 695, 702, 747, 780, 830, 834, 936, 996, 1079, 1080, 1112, 1170, 1245, 1251, 1390, 1404, 1494, 1560, 1660, 1668, 1755, 1807, 1992, 2085, 2158, 2241, 2340, 2490, 2502, 2780, 2808, 2988, 3237, 3320, 3336, 3510, 3614, 3735, 3753, 4170, 4316, 4482, 4680, 4980, 5004, 5395, 5421, 5560, 5976, 6255, 6474, 7020, 7228, 7470, 7506, 8340, 8632, 8964, 9035, 9711, 9960, 10008, 10790, 10842, 11205, 11537, 12510, 12948, 14040, 14456, 14940, 15012, 16185, 16263, 16680, 17928, 18070, 18765, 19422, 21580, 21684, 22410, 23074, 25020, 25896, 27105, 29133, 29880, 30024, 32370, 32526, 34611, 36140, 37530, 38844, 43160, 43368, 44820, 46148, 48555, 48789, 50040, 54210, 57685, 58266, 64740, 65052, 69222, 72280, 75060, 77688, 81315, 89640, 92296, 97110, 97578, 103833, 108420, 115370, 116532, 129480, 130104, 138444, 145665, 149981, 150120, 162630, 173055, 194220, 195156, 207666, 216840, 230740, 233064, 243945, 276888, 291330, 299962, 311499, 325260, 346110, 388440, 390312, 415332, 449943, 461480, 487890, 519165, 582660, 599924, 622998, 650520, 692220, 749905, 830664, 899886, 975780, 1038330, 1165320, 1199848, 1245996, 1349829, 1384440, 1499810, 1557495, 1799772, 1951560, 2076660, 2249715, 2491992, 2699658, 2999620, 3114990, 3599544, 4049487, 4153320, 4499430, 5399316, 5999240, 6229980, 6749145, 8098974, 8998860, 10798632, 12459960, 13498290, 16197948, 17997720, 20247435, 26996580, 32395896, 40494870, 53993160, 80989740, 161979480]

約数ペア:

[(1, 161979480), (2, 80989740), (3, 53993160), (4, 40494870), (5, 32395896), (6, 26996580), (8, 20247435), (9, 17997720), (10, 16197948), (12, 13498290), (13, 12459960), (15, 10798632), (18, 8998860), (20, 8098974), (24, 6749145), (26, 6229980), (27, 5999240), (30, 5399316), (36, 4499430), (39, 4153320), (40, 4049487), (45, 3599544), (52, 3114990), (54, 2999620), (60, 2699658), (65, 2491992), (72, 2249715), (78, 2076660), (83, 1951560), (90, 1799772), (104, 1557495), (108, 1499810), (117, 1384440), (120, 1349829), (130, 1245996), (135, 1199848), (139, 1165320), (156, 1038330), (166, 975780), (180, 899886), (195, 830664), (216, 749905), (234, 692220), (249, 650520), (260, 622998), (270, 599924), (278, 582660), (312, 519165), (332, 487890), (351, 461480), (360, 449943), (390, 415332), (415, 390312), (417, 388440), (468, 346110), (498, 325260), (520, 311499), (540, 299962), (556, 291330), (585, 276888), (664, 243945), (695, 233064), (702, 230740), (747, 216840), (780, 207666), (830, 195156), (834, 194220), (936, 173055), (996, 162630), (1079, 150120), (1080, 149981), (1112, 145665), (1170, 138444), (1245, 130104), (1251, 129480), (1390, 116532), (1404, 115370), (1494, 108420), (1560, 103833), (1660, 97578), (1668, 97110), (1755, 92296), (1807, 89640), (1992, 81315), (2085, 77688), (2158, 75060), (2241, 72280), (2340, 69222), (2490, 65052), (2502, 64740), (2780, 58266), (2808, 57685), (2988, 54210), (3237, 50040), (3320, 48789), (3336, 48555), (3510, 46148), (3614, 44820), (3735, 43368), (3753, 43160), (4170, 38844), (4316, 37530), (4482, 36140), (4680, 34611), (4980, 32526), (5004, 32370), (5395, 30024), (5421, 29880), (5560, 29133), (5976, 27105), (6255, 25896), (6474, 25020), (7020, 23074), (7228, 22410), (7470, 21684), (7506, 21580), (8340, 19422), (8632, 18765), (8964, 18070), (9035, 17928), (9711, 16680), (9960, 16263), (10008, 16185), (10790, 15012), (10842, 14940), (11205, 14456), (11537, 14040), (12510, 12948)]