161262660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 518192640

約数和(自身を除く): 356929980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 89, 92, 101, 115, 130, 138, 156, 178, 195, 202, 230, 260, 267, 276, 299, 303, 345, 356, 390, 404, 445, 460, 505, 534, 598, 606, 690, 780, 890, 897, 1010, 1068, 1157, 1196, 1212, 1313, 1335, 1380, 1495, 1515, 1780, 1794, 2020, 2047, 2314, 2323, 2626, 2670, 2990, 3030, 3471, 3588, 3939, 4094, 4485, 4628, 4646, 5252, 5340, 5785, 5980, 6060, 6141, 6565, 6942, 6969, 7878, 8188, 8970, 8989, 9292, 10235, 11570, 11615, 12282, 13130, 13884, 13938, 15756, 17355, 17940, 17978, 19695, 20470, 23140, 23230, 24564, 26260, 26611, 26967, 27876, 30199, 30705, 34710, 34845, 35956, 39390, 40940, 44945, 46460, 53222, 53934, 60398, 61410, 69420, 69690, 78780, 79833, 89890, 90597, 106444, 107868, 116857, 120796, 122820, 133055, 134835, 139380, 150995, 159666, 179780, 181194, 206747, 233714, 266110, 269670, 301990, 319332, 350571, 362388, 399165, 413494, 452985, 467428, 532220, 539340, 584285, 603980, 620241, 701142, 798330, 826988, 905970, 1033735, 1168570, 1240482, 1402284, 1596660, 1752855, 1811940, 2067470, 2337140, 2480964, 2687711, 3101205, 3505710, 4134940, 5375422, 6202410, 7011420, 8063133, 10750844, 12404820, 13438555, 16126266, 26877110, 32252532, 40315665, 53754220, 80631330, 161262660]

約数ペア:

[(1, 161262660), (2, 80631330), (3, 53754220), (4, 40315665), (5, 32252532), (6, 26877110), (10, 16126266), (12, 13438555), (13, 12404820), (15, 10750844), (20, 8063133), (23, 7011420), (26, 6202410), (30, 5375422), (39, 4134940), (46, 3505710), (52, 3101205), (60, 2687711), (65, 2480964), (69, 2337140), (78, 2067470), (89, 1811940), (92, 1752855), (101, 1596660), (115, 1402284), (130, 1240482), (138, 1168570), (156, 1033735), (178, 905970), (195, 826988), (202, 798330), (230, 701142), (260, 620241), (267, 603980), (276, 584285), (299, 539340), (303, 532220), (345, 467428), (356, 452985), (390, 413494), (404, 399165), (445, 362388), (460, 350571), (505, 319332), (534, 301990), (598, 269670), (606, 266110), (690, 233714), (780, 206747), (890, 181194), (897, 179780), (1010, 159666), (1068, 150995), (1157, 139380), (1196, 134835), (1212, 133055), (1313, 122820), (1335, 120796), (1380, 116857), (1495, 107868), (1515, 106444), (1780, 90597), (1794, 89890), (2020, 79833), (2047, 78780), (2314, 69690), (2323, 69420), (2626, 61410), (2670, 60398), (2990, 53934), (3030, 53222), (3471, 46460), (3588, 44945), (3939, 40940), (4094, 39390), (4485, 35956), (4628, 34845), (4646, 34710), (5252, 30705), (5340, 30199), (5785, 27876), (5980, 26967), (6060, 26611), (6141, 26260), (6565, 24564), (6942, 23230), (6969, 23140), (7878, 20470), (8188, 19695), (8970, 17978), (8989, 17940), (9292, 17355), (10235, 15756), (11570, 13938), (11615, 13884), (12282, 13130)]