257236285260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3769}}^1\times {\mathrm{12781}}^1$

素因数の和:16651

約数の個数: 96

約数和(自身を含む): 728604676800

約数和(自身を除く): 471368391540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 3769, 5340, 7538, 11307, 12781, 15076, 18845, 22614, 25562, 37690, 38343, 45228, 51124, 56535, 63905, 75380, 76686, 113070, 127810, 153372, 191715, 226140, 255620, 335441, 383430, 670882, 766860, 1006323, 1137509, 1341764, 1677205, 2012646, 2275018, 3354410, 3412527, 4025292, 4550036, 5031615, 5687545, 6708820, 6825054, 10063230, 11375090, 13650108, 17062635, 20126460, 22750180, 34125270, 48171589, 68250540, 96343178, 144514767, 192686356, 240857945, 289029534, 481715890, 578059068, 722573835, 963431780, 1445147670, 2890295340, 4287271421, 8574542842, 12861814263, 17149085684, 21436357105, 25723628526, 42872714210, 51447257052, 64309071315, 85745428420, 128618142630, 257236285260]

約数ペア:

[(1, 257236285260), (2, 128618142630), (3, 85745428420), (4, 64309071315), (5, 51447257052), (6, 42872714210), (10, 25723628526), (12, 21436357105), (15, 17149085684), (20, 12861814263), (30, 8574542842), (60, 4287271421), (89, 2890295340), (178, 1445147670), (267, 963431780), (356, 722573835), (445, 578059068), (534, 481715890), (890, 289029534), (1068, 240857945), (1335, 192686356), (1780, 144514767), (2670, 96343178), (3769, 68250540), (5340, 48171589), (7538, 34125270), (11307, 22750180), (12781, 20126460), (15076, 17062635), (18845, 13650108), (22614, 11375090), (25562, 10063230), (37690, 6825054), (38343, 6708820), (45228, 5687545), (51124, 5031615), (56535, 4550036), (63905, 4025292), (75380, 3412527), (76686, 3354410), (113070, 2275018), (127810, 2012646), (153372, 1677205), (191715, 1341764), (226140, 1137509), (255620, 1006323), (335441, 766860), (383430, 670882)]