1216522840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 3015936000

約数和(自身を除く): 1799413160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 127, 130, 169, 218, 254, 260, 338, 436, 508, 520, 545, 635, 676, 845, 872, 1016, 1090, 1270, 1352, 1417, 1651, 1690, 2180, 2197, 2540, 2834, 3302, 3380, 4360, 4394, 5080, 5668, 6604, 6760, 7085, 8255, 8788, 10985, 11336, 13208, 13843, 14170, 16510, 17576, 18421, 21463, 21970, 27686, 28340, 33020, 36842, 42926, 43940, 55372, 56680, 66040, 69215, 73684, 85852, 87880, 92105, 107315, 110744, 138430, 147368, 171704, 179959, 184210, 214630, 239473, 276860, 279019, 359918, 368420, 429260, 478946, 553720, 558038, 719836, 736840, 858520, 899795, 957892, 1116076, 1197365, 1395095, 1439672, 1799590, 1915784, 2232152, 2339467, 2394730, 2790190, 3599180, 4678934, 4789460, 5580380, 7198360, 9357868, 9578920, 11160760, 11697335, 18715736, 23394670, 30413071, 46789340, 60826142, 93578680, 121652284, 152065355, 243304568, 304130710, 608261420, 1216522840]

約数ペア:

[(1, 1216522840), (2, 608261420), (4, 304130710), (5, 243304568), (8, 152065355), (10, 121652284), (13, 93578680), (20, 60826142), (26, 46789340), (40, 30413071), (52, 23394670), (65, 18715736), (104, 11697335), (109, 11160760), (127, 9578920), (130, 9357868), (169, 7198360), (218, 5580380), (254, 4789460), (260, 4678934), (338, 3599180), (436, 2790190), (508, 2394730), (520, 2339467), (545, 2232152), (635, 1915784), (676, 1799590), (845, 1439672), (872, 1395095), (1016, 1197365), (1090, 1116076), (1270, 957892), (1352, 899795), (1417, 858520), (1651, 736840), (1690, 719836), (2180, 558038), (2197, 553720), (2540, 478946), (2834, 429260), (3302, 368420), (3380, 359918), (4360, 279019), (4394, 276860), (5080, 239473), (5668, 214630), (6604, 184210), (6760, 179959), (7085, 171704), (8255, 147368), (8788, 138430), (10985, 110744), (11336, 107315), (13208, 92105), (13843, 87880), (14170, 85852), (16510, 73684), (17576, 69215), (18421, 66040), (21463, 56680), (21970, 55372), (27686, 43940), (28340, 42926), (33020, 36842)]