261728880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1877}}^1$

素因数の和:1983

約数の個数: 160

約数和(自身を含む): 938939904

約数和(自身を除く): 677211024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 83, 84, 105, 112, 120, 140, 166, 168, 210, 240, 249, 280, 332, 336, 415, 420, 498, 560, 581, 664, 830, 840, 996, 1162, 1245, 1328, 1660, 1680, 1743, 1877, 1992, 2324, 2490, 2905, 3320, 3486, 3754, 3984, 4648, 4980, 5631, 5810, 6640, 6972, 7508, 8715, 9296, 9385, 9960, 11262, 11620, 13139, 13944, 15016, 17430, 18770, 19920, 22524, 23240, 26278, 27888, 28155, 30032, 34860, 37540, 39417, 45048, 46480, 52556, 56310, 65695, 69720, 75080, 78834, 90096, 105112, 112620, 131390, 139440, 150160, 155791, 157668, 197085, 210224, 225240, 262780, 311582, 315336, 394170, 450480, 467373, 525560, 623164, 630672, 778955, 788340, 934746, 1051120, 1090537, 1246328, 1557910, 1576680, 1869492, 2181074, 2336865, 2492656, 3115820, 3153360, 3271611, 3738984, 4362148, 4673730, 5452685, 6231640, 6543222, 7477968, 8724296, 9347460, 10905370, 12463280, 13086444, 16358055, 17448592, 18694920, 21810740, 26172888, 32716110, 37389840, 43621480, 52345776, 65432220, 87242960, 130864440, 261728880]

約数ペア:

[(1, 261728880), (2, 130864440), (3, 87242960), (4, 65432220), (5, 52345776), (6, 43621480), (7, 37389840), (8, 32716110), (10, 26172888), (12, 21810740), (14, 18694920), (15, 17448592), (16, 16358055), (20, 13086444), (21, 12463280), (24, 10905370), (28, 9347460), (30, 8724296), (35, 7477968), (40, 6543222), (42, 6231640), (48, 5452685), (56, 4673730), (60, 4362148), (70, 3738984), (80, 3271611), (83, 3153360), (84, 3115820), (105, 2492656), (112, 2336865), (120, 2181074), (140, 1869492), (166, 1576680), (168, 1557910), (210, 1246328), (240, 1090537), (249, 1051120), (280, 934746), (332, 788340), (336, 778955), (415, 630672), (420, 623164), (498, 525560), (560, 467373), (581, 450480), (664, 394170), (830, 315336), (840, 311582), (996, 262780), (1162, 225240), (1245, 210224), (1328, 197085), (1660, 157668), (1680, 155791), (1743, 150160), (1877, 139440), (1992, 131390), (2324, 112620), (2490, 105112), (2905, 90096), (3320, 78834), (3486, 75080), (3754, 69720), (3984, 65695), (4648, 56310), (4980, 52556), (5631, 46480), (5810, 45048), (6640, 39417), (6972, 37540), (7508, 34860), (8715, 30032), (9296, 28155), (9385, 27888), (9960, 26278), (11262, 23240), (11620, 22524), (13139, 19920), (13944, 18770), (15016, 17430)]