281499660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120299}}^1$

素因数の和:120327

約数の個数: 72

約数和(自身を含む): 919573200

約数和(自身を除く): 638073540

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, 120299, 240598, 360897, 481196, 601495, 721794, 1082691, 1202990, 1443588, 1563887, 1804485, 2165382, 2405980, 3127774, 3608970, 4330764, 4691661, 5413455, 6255548, 7217940, 7819435, 9383322, 10826910, 14074983, 15638870, 18766644, 21653820, 23458305, 28149966, 31277740, 46916610, 56299932, 70374915, 93833220, 140749830, 281499660]

約数ペア:

[(1, 281499660), (2, 140749830), (3, 93833220), (4, 70374915), (5, 56299932), (6, 46916610), (9, 31277740), (10, 28149966), (12, 23458305), (13, 21653820), (15, 18766644), (18, 15638870), (20, 14074983), (26, 10826910), (30, 9383322), (36, 7819435), (39, 7217940), (45, 6255548), (52, 5413455), (60, 4691661), (65, 4330764), (78, 3608970), (90, 3127774), (117, 2405980), (130, 2165382), (156, 1804485), (180, 1563887), (195, 1443588), (234, 1202990), (260, 1082691), (390, 721794), (468, 601495), (585, 481196), (780, 360897), (1170, 240598), (2340, 120299)]