61999380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 199600128

約数和(自身を除く): 137600748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 41, 45, 60, 62, 82, 90, 93, 123, 124, 155, 164, 180, 186, 205, 246, 271, 279, 310, 369, 372, 410, 465, 492, 542, 558, 615, 620, 738, 813, 820, 930, 1084, 1116, 1230, 1271, 1355, 1395, 1476, 1626, 1845, 1860, 2439, 2460, 2542, 2710, 2790, 3252, 3690, 3813, 4065, 4878, 5084, 5420, 5580, 6355, 7380, 7626, 8130, 8401, 9756, 11111, 11439, 12195, 12710, 15252, 16260, 16802, 19065, 22222, 22878, 24390, 25203, 25420, 33333, 33604, 38130, 42005, 44444, 45756, 48780, 50406, 55555, 57195, 66666, 75609, 76260, 84010, 99999, 100812, 111110, 114390, 126015, 133332, 151218, 166665, 168020, 199998, 222220, 228780, 252030, 302436, 333330, 344441, 378045, 399996, 499995, 504060, 666660, 688882, 756090, 999990, 1033323, 1377764, 1512180, 1722205, 1999980, 2066646, 3099969, 3444410, 4133292, 5166615, 6199938, 6888820, 10333230, 12399876, 15499845, 20666460, 30999690, 61999380]

約数ペア:

[(1, 61999380), (2, 30999690), (3, 20666460), (4, 15499845), (5, 12399876), (6, 10333230), (9, 6888820), (10, 6199938), (12, 5166615), (15, 4133292), (18, 3444410), (20, 3099969), (30, 2066646), (31, 1999980), (36, 1722205), (41, 1512180), (45, 1377764), (60, 1033323), (62, 999990), (82, 756090), (90, 688882), (93, 666660), (123, 504060), (124, 499995), (155, 399996), (164, 378045), (180, 344441), (186, 333330), (205, 302436), (246, 252030), (271, 228780), (279, 222220), (310, 199998), (369, 168020), (372, 166665), (410, 151218), (465, 133332), (492, 126015), (542, 114390), (558, 111110), (615, 100812), (620, 99999), (738, 84010), (813, 76260), (820, 75609), (930, 66666), (1084, 57195), (1116, 55555), (1230, 50406), (1271, 48780), (1355, 45756), (1395, 44444), (1476, 42005), (1626, 38130), (1845, 33604), (1860, 33333), (2439, 25420), (2460, 25203), (2542, 24390), (2710, 22878), (2790, 22222), (3252, 19065), (3690, 16802), (3813, 16260), (4065, 15252), (4878, 12710), (5084, 12195), (5420, 11439), (5580, 11111), (6355, 9756), (7380, 8401), (7626, 8130)]