1276400800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:903

約数の個数: 144

約数和(自身を含む): 3329786880

約数和(自身を除く): 2053386080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 127, 136, 160, 170, 200, 254, 272, 340, 400, 425, 508, 544, 635, 680, 739, 800, 850, 1016, 1270, 1360, 1478, 1700, 2032, 2159, 2540, 2720, 2956, 3175, 3400, 3695, 4064, 4318, 5080, 5912, 6350, 6800, 7390, 8636, 10160, 10795, 11824, 12563, 12700, 13600, 14780, 17272, 18475, 20320, 21590, 23648, 25126, 25400, 29560, 34544, 36950, 43180, 50252, 50800, 53975, 59120, 62815, 69088, 73900, 86360, 93853, 100504, 101600, 107950, 118240, 125630, 147800, 172720, 187706, 201008, 215900, 251260, 295600, 314075, 345440, 375412, 402016, 431800, 469265, 502520, 591200, 628150, 750824, 863600, 938530, 1005040, 1256300, 1501648, 1595501, 1727200, 1877060, 2010080, 2346325, 2512600, 3003296, 3191002, 3754120, 4692650, 5025200, 6382004, 7508240, 7977505, 9385300, 10050400, 12764008, 15016480, 15955010, 18770600, 25528016, 31910020, 37541200, 39887525, 51056032, 63820040, 75082400, 79775050, 127640080, 159550100, 255280160, 319100200, 638200400, 1276400800]

約数ペア:

[(1, 1276400800), (2, 638200400), (4, 319100200), (5, 255280160), (8, 159550100), (10, 127640080), (16, 79775050), (17, 75082400), (20, 63820040), (25, 51056032), (32, 39887525), (34, 37541200), (40, 31910020), (50, 25528016), (68, 18770600), (80, 15955010), (85, 15016480), (100, 12764008), (127, 10050400), (136, 9385300), (160, 7977505), (170, 7508240), (200, 6382004), (254, 5025200), (272, 4692650), (340, 3754120), (400, 3191002), (425, 3003296), (508, 2512600), (544, 2346325), (635, 2010080), (680, 1877060), (739, 1727200), (800, 1595501), (850, 1501648), (1016, 1256300), (1270, 1005040), (1360, 938530), (1478, 863600), (1700, 750824), (2032, 628150), (2159, 591200), (2540, 502520), (2720, 469265), (2956, 431800), (3175, 402016), (3400, 375412), (3695, 345440), (4064, 314075), (4318, 295600), (5080, 251260), (5912, 215900), (6350, 201008), (6800, 187706), (7390, 172720), (8636, 147800), (10160, 125630), (10795, 118240), (11824, 107950), (12563, 101600), (12700, 100504), (13600, 93853), (14780, 86360), (17272, 73900), (18475, 69088), (20320, 62815), (21590, 59120), (23648, 53975), (25126, 50800), (25400, 50252), (29560, 43180), (34544, 36950)]