68611140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 227026800

約数和(自身を除く): 158415660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 109, 117, 130, 156, 180, 195, 218, 234, 260, 269, 327, 390, 436, 468, 538, 545, 585, 654, 780, 807, 981, 1076, 1090, 1170, 1308, 1345, 1417, 1614, 1635, 1962, 2180, 2340, 2421, 2690, 2834, 3228, 3270, 3497, 3924, 4035, 4251, 4842, 4905, 5380, 5668, 6540, 6994, 7085, 8070, 8502, 9684, 9810, 10491, 12105, 12753, 13988, 14170, 16140, 17004, 17485, 19620, 20982, 21255, 24210, 25506, 28340, 29321, 31473, 34970, 41964, 42510, 48420, 51012, 52455, 58642, 62946, 63765, 69940, 85020, 87963, 104910, 117284, 125892, 127530, 146605, 157365, 175926, 209820, 255060, 263889, 293210, 314730, 351852, 381173, 439815, 527778, 586420, 629460, 762346, 879630, 1055556, 1143519, 1319445, 1524692, 1759260, 1905865, 2287038, 2638890, 3430557, 3811730, 4574076, 5277780, 5717595, 6861114, 7623460, 11435190, 13722228, 17152785, 22870380, 34305570, 68611140]

約数ペア:

[(1, 68611140), (2, 34305570), (3, 22870380), (4, 17152785), (5, 13722228), (6, 11435190), (9, 7623460), (10, 6861114), (12, 5717595), (13, 5277780), (15, 4574076), (18, 3811730), (20, 3430557), (26, 2638890), (30, 2287038), (36, 1905865), (39, 1759260), (45, 1524692), (52, 1319445), (60, 1143519), (65, 1055556), (78, 879630), (90, 762346), (109, 629460), (117, 586420), (130, 527778), (156, 439815), (180, 381173), (195, 351852), (218, 314730), (234, 293210), (260, 263889), (269, 255060), (327, 209820), (390, 175926), (436, 157365), (468, 146605), (538, 127530), (545, 125892), (585, 117284), (654, 104910), (780, 87963), (807, 85020), (981, 69940), (1076, 63765), (1090, 62946), (1170, 58642), (1308, 52455), (1345, 51012), (1417, 48420), (1614, 42510), (1635, 41964), (1962, 34970), (2180, 31473), (2340, 29321), (2421, 28340), (2690, 25506), (2834, 24210), (3228, 21255), (3270, 20982), (3497, 19620), (3924, 17485), (4035, 17004), (4251, 16140), (4842, 14170), (4905, 13988), (5380, 12753), (5668, 12105), (6540, 10491), (6994, 9810), (7085, 9684), (8070, 8502)]