9887640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 34560000

約数和(自身を除く): 24672360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 149, 158, 168, 210, 237, 280, 298, 316, 395, 420, 447, 474, 553, 596, 632, 745, 790, 840, 894, 948, 1043, 1106, 1185, 1192, 1490, 1580, 1659, 1788, 1896, 2086, 2212, 2235, 2370, 2765, 2980, 3129, 3160, 3318, 3576, 4172, 4424, 4470, 4740, 5215, 5530, 5960, 6258, 6636, 8295, 8344, 8940, 9480, 10430, 11060, 11771, 12516, 13272, 15645, 16590, 17880, 20860, 22120, 23542, 25032, 31290, 33180, 35313, 41720, 47084, 58855, 62580, 66360, 70626, 82397, 94168, 117710, 125160, 141252, 164794, 176565, 235420, 247191, 282504, 329588, 353130, 411985, 470840, 494382, 659176, 706260, 823970, 988764, 1235955, 1412520, 1647940, 1977528, 2471910, 3295880, 4943820, 9887640]

約数ペア:

[(1, 9887640), (2, 4943820), (3, 3295880), (4, 2471910), (5, 1977528), (6, 1647940), (7, 1412520), (8, 1235955), (10, 988764), (12, 823970), (14, 706260), (15, 659176), (20, 494382), (21, 470840), (24, 411985), (28, 353130), (30, 329588), (35, 282504), (40, 247191), (42, 235420), (56, 176565), (60, 164794), (70, 141252), (79, 125160), (84, 117710), (105, 94168), (120, 82397), (140, 70626), (149, 66360), (158, 62580), (168, 58855), (210, 47084), (237, 41720), (280, 35313), (298, 33180), (316, 31290), (395, 25032), (420, 23542), (447, 22120), (474, 20860), (553, 17880), (596, 16590), (632, 15645), (745, 13272), (790, 12516), (840, 11771), (894, 11060), (948, 10430), (1043, 9480), (1106, 8940), (1185, 8344), (1192, 8295), (1490, 6636), (1580, 6258), (1659, 5960), (1788, 5530), (1896, 5215), (2086, 4740), (2212, 4470), (2235, 4424), (2370, 4172), (2765, 3576), (2980, 3318), (3129, 3160)]