121905840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:659

約数の個数: 160

約数和(自身を含む): 435686400

約数和(自身を除く): 313780560

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, 84, 105, 112, 120, 140, 149, 168, 210, 240, 280, 298, 336, 420, 447, 487, 560, 596, 745, 840, 894, 974, 1043, 1192, 1461, 1490, 1680, 1788, 1948, 2086, 2235, 2384, 2435, 2922, 2980, 3129, 3409, 3576, 3896, 4172, 4470, 4870, 5215, 5844, 5960, 6258, 6818, 7152, 7305, 7792, 8344, 8940, 9740, 10227, 10430, 11688, 11920, 12516, 13636, 14610, 15645, 16688, 17045, 17880, 19480, 20454, 20860, 23376, 25032, 27272, 29220, 31290, 34090, 35760, 38960, 40908, 41720, 50064, 51135, 54544, 58440, 62580, 68180, 72563, 81816, 83440, 102270, 116880, 125160, 136360, 145126, 163632, 204540, 217689, 250320, 272720, 290252, 362815, 409080, 435378, 507941, 580504, 725630, 818160, 870756, 1015882, 1088445, 1161008, 1451260, 1523823, 1741512, 2031764, 2176890, 2539705, 2902520, 3047646, 3483024, 4063528, 4353780, 5079410, 5805040, 6095292, 7619115, 8127056, 8707560, 10158820, 12190584, 15238230, 17415120, 20317640, 24381168, 30476460, 40635280, 60952920, 121905840]

約数ペア:

[(1, 121905840), (2, 60952920), (3, 40635280), (4, 30476460), (5, 24381168), (6, 20317640), (7, 17415120), (8, 15238230), (10, 12190584), (12, 10158820), (14, 8707560), (15, 8127056), (16, 7619115), (20, 6095292), (21, 5805040), (24, 5079410), (28, 4353780), (30, 4063528), (35, 3483024), (40, 3047646), (42, 2902520), (48, 2539705), (56, 2176890), (60, 2031764), (70, 1741512), (80, 1523823), (84, 1451260), (105, 1161008), (112, 1088445), (120, 1015882), (140, 870756), (149, 818160), (168, 725630), (210, 580504), (240, 507941), (280, 435378), (298, 409080), (336, 362815), (420, 290252), (447, 272720), (487, 250320), (560, 217689), (596, 204540), (745, 163632), (840, 145126), (894, 136360), (974, 125160), (1043, 116880), (1192, 102270), (1461, 83440), (1490, 81816), (1680, 72563), (1788, 68180), (1948, 62580), (2086, 58440), (2235, 54544), (2384, 51135), (2435, 50064), (2922, 41720), (2980, 40908), (3129, 38960), (3409, 35760), (3576, 34090), (3896, 31290), (4172, 29220), (4470, 27272), (4870, 25032), (5215, 23376), (5844, 20860), (5960, 20454), (6258, 19480), (6818, 17880), (7152, 17045), (7305, 16688), (7792, 15645), (8344, 14610), (8940, 13636), (9740, 12516), (10227, 11920), (10430, 11688)]