690465360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221303}}^1$

素因数の和:221332

約数の個数: 80

約数和(自身を含む): 2305102464

約数和(自身を除く): 1614637104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 221303, 442606, 663909, 885212, 1106515, 1327818, 1770424, 2213030, 2655636, 2876939, 3319545, 3540848, 4426060, 5311272, 5753878, 6639090, 8630817, 8852120, 10622544, 11507756, 13278180, 14384695, 17261634, 17704240, 23015512, 26556360, 28769390, 34523268, 43154085, 46031024, 53112720, 57538780, 69046536, 86308170, 115077560, 138093072, 172616340, 230155120, 345232680, 690465360]

約数ペア:

[(1, 690465360), (2, 345232680), (3, 230155120), (4, 172616340), (5, 138093072), (6, 115077560), (8, 86308170), (10, 69046536), (12, 57538780), (13, 53112720), (15, 46031024), (16, 43154085), (20, 34523268), (24, 28769390), (26, 26556360), (30, 23015512), (39, 17704240), (40, 17261634), (48, 14384695), (52, 13278180), (60, 11507756), (65, 10622544), (78, 8852120), (80, 8630817), (104, 6639090), (120, 5753878), (130, 5311272), (156, 4426060), (195, 3540848), (208, 3319545), (240, 2876939), (260, 2655636), (312, 2213030), (390, 1770424), (520, 1327818), (624, 1106515), (780, 885212), (1040, 663909), (1560, 442606), (3120, 221303)]