1997627580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{853687}}^1$

素因数の和:853715

約数の個数: 72

約数和(自身を含む): 6525591072

約数和(自身を除く): 4527963492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 853687, 1707374, 2561061, 3414748, 4268435, 5122122, 7683183, 8536870, 10244244, 11097931, 12805305, 15366366, 17073740, 22195862, 25610610, 30732732, 33293793, 38415915, 44391724, 51221220, 55489655, 66587586, 76831830, 99881379, 110979310, 133175172, 153663660, 166468965, 199762758, 221958620, 332937930, 399525516, 499406895, 665875860, 998813790, 1997627580]

約数ペア:

[(1, 1997627580), (2, 998813790), (3, 665875860), (4, 499406895), (5, 399525516), (6, 332937930), (9, 221958620), (10, 199762758), (12, 166468965), (13, 153663660), (15, 133175172), (18, 110979310), (20, 99881379), (26, 76831830), (30, 66587586), (36, 55489655), (39, 51221220), (45, 44391724), (52, 38415915), (60, 33293793), (65, 30732732), (78, 25610610), (90, 22195862), (117, 17073740), (130, 15366366), (156, 12805305), (180, 11097931), (195, 10244244), (234, 8536870), (260, 7683183), (390, 5122122), (468, 4268435), (585, 3414748), (780, 2561061), (1170, 1707374), (2340, 853687)]