637648380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1429}}^1$

素因数の和:1548

約数の個数: 144

約数和(自身を含む): 2017535520

約数和(自身を除く): 1379887140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 67, 74, 90, 111, 134, 148, 180, 185, 201, 222, 268, 333, 335, 370, 402, 444, 555, 603, 666, 670, 740, 804, 1005, 1110, 1206, 1332, 1340, 1429, 1665, 2010, 2220, 2412, 2479, 2858, 3015, 3330, 4020, 4287, 4958, 5716, 6030, 6660, 7145, 7437, 8574, 9916, 12060, 12395, 12861, 14290, 14874, 17148, 21435, 22311, 24790, 25722, 28580, 29748, 37185, 42870, 44622, 49580, 51444, 52873, 64305, 74370, 85740, 89244, 95743, 105746, 111555, 128610, 148740, 158619, 191486, 211492, 223110, 257220, 264365, 287229, 317238, 382972, 446220, 475857, 478715, 528730, 574458, 634476, 793095, 861687, 951714, 957430, 1057460, 1148916, 1436145, 1586190, 1723374, 1903428, 1914860, 2379285, 2872290, 3172380, 3446748, 3542491, 4308435, 4758570, 5744580, 7084982, 8616870, 9517140, 10627473, 14169964, 17233740, 17712455, 21254946, 31882419, 35424910, 42509892, 53137365, 63764838, 70849820, 106274730, 127529676, 159412095, 212549460, 318824190, 637648380]

約数ペア:

[(1, 637648380), (2, 318824190), (3, 212549460), (4, 159412095), (5, 127529676), (6, 106274730), (9, 70849820), (10, 63764838), (12, 53137365), (15, 42509892), (18, 35424910), (20, 31882419), (30, 21254946), (36, 17712455), (37, 17233740), (45, 14169964), (60, 10627473), (67, 9517140), (74, 8616870), (90, 7084982), (111, 5744580), (134, 4758570), (148, 4308435), (180, 3542491), (185, 3446748), (201, 3172380), (222, 2872290), (268, 2379285), (333, 1914860), (335, 1903428), (370, 1723374), (402, 1586190), (444, 1436145), (555, 1148916), (603, 1057460), (666, 957430), (670, 951714), (740, 861687), (804, 793095), (1005, 634476), (1110, 574458), (1206, 528730), (1332, 478715), (1340, 475857), (1429, 446220), (1665, 382972), (2010, 317238), (2220, 287229), (2412, 264365), (2479, 257220), (2858, 223110), (3015, 211492), (3330, 191486), (4020, 158619), (4287, 148740), (4958, 128610), (5716, 111555), (6030, 105746), (6660, 95743), (7145, 89244), (7437, 85740), (8574, 74370), (9916, 64305), (12060, 52873), (12395, 51444), (12861, 49580), (14290, 44622), (14874, 42870), (17148, 37185), (21435, 29748), (22311, 28580), (24790, 25722)]