279304960

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 741726720

約数和(自身を除く): 462421760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 83, 88, 110, 128, 160, 166, 176, 220, 239, 256, 320, 332, 352, 415, 440, 478, 640, 664, 704, 830, 880, 913, 956, 1195, 1280, 1328, 1408, 1660, 1760, 1826, 1912, 2390, 2629, 2656, 2816, 3320, 3520, 3652, 3824, 4565, 4780, 5258, 5312, 6640, 7040, 7304, 7648, 9130, 9560, 10516, 10624, 13145, 13280, 14080, 14608, 15296, 18260, 19120, 19837, 21032, 21248, 26290, 26560, 29216, 30592, 36520, 38240, 39674, 42064, 52580, 53120, 58432, 61184, 73040, 76480, 79348, 84128, 99185, 105160, 106240, 116864, 146080, 152960, 158696, 168256, 198370, 210320, 218207, 233728, 292160, 305920, 317392, 336512, 396740, 420640, 436414, 584320, 634784, 673024, 793480, 841280, 872828, 1091035, 1168640, 1269568, 1586960, 1682560, 1745656, 2182070, 2539136, 3173920, 3365120, 3491312, 4364140, 5078272, 6347840, 6982624, 8728280, 12695680, 13965248, 17456560, 25391360, 27930496, 34913120, 55860992, 69826240, 139652480, 279304960]

約数ペア:

[(1, 279304960), (2, 139652480), (4, 69826240), (5, 55860992), (8, 34913120), (10, 27930496), (11, 25391360), (16, 17456560), (20, 13965248), (22, 12695680), (32, 8728280), (40, 6982624), (44, 6347840), (55, 5078272), (64, 4364140), (80, 3491312), (83, 3365120), (88, 3173920), (110, 2539136), (128, 2182070), (160, 1745656), (166, 1682560), (176, 1586960), (220, 1269568), (239, 1168640), (256, 1091035), (320, 872828), (332, 841280), (352, 793480), (415, 673024), (440, 634784), (478, 584320), (640, 436414), (664, 420640), (704, 396740), (830, 336512), (880, 317392), (913, 305920), (956, 292160), (1195, 233728), (1280, 218207), (1328, 210320), (1408, 198370), (1660, 168256), (1760, 158696), (1826, 152960), (1912, 146080), (2390, 116864), (2629, 106240), (2656, 105160), (2816, 99185), (3320, 84128), (3520, 79348), (3652, 76480), (3824, 73040), (4565, 61184), (4780, 58432), (5258, 53120), (5312, 52580), (6640, 42064), (7040, 39674), (7304, 38240), (7648, 36520), (9130, 30592), (9560, 29216), (10516, 26560), (10624, 26290), (13145, 21248), (13280, 21032), (14080, 19837), (14608, 19120), (15296, 18260)]