280722780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39989}}^1$

素因数の和:40020

約数の個数: 96

約数和(自身を含む): 940564800

約数和(自身を除く): 659842020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 39989, 79978, 119967, 159956, 199945, 239934, 359901, 399890, 479868, 519857, 599835, 719802, 799780, 1039714, 1079703, 1199670, 1439604, 1559571, 1799505, 2079428, 2159406, 2399340, 2599285, 3119142, 3599010, 4318812, 4678713, 5198570, 5398515, 6238284, 7198020, 7797855, 9357426, 10397140, 10797030, 14036139, 15595710, 18714852, 21594060, 23393565, 28072278, 31191420, 46787130, 56144556, 70180695, 93574260, 140361390, 280722780]

約数ペア:

[(1, 280722780), (2, 140361390), (3, 93574260), (4, 70180695), (5, 56144556), (6, 46787130), (9, 31191420), (10, 28072278), (12, 23393565), (13, 21594060), (15, 18714852), (18, 15595710), (20, 14036139), (26, 10797030), (27, 10397140), (30, 9357426), (36, 7797855), (39, 7198020), (45, 6238284), (52, 5398515), (54, 5198570), (60, 4678713), (65, 4318812), (78, 3599010), (90, 3119142), (108, 2599285), (117, 2399340), (130, 2159406), (135, 2079428), (156, 1799505), (180, 1559571), (195, 1439604), (234, 1199670), (260, 1079703), (270, 1039714), (351, 799780), (390, 719802), (468, 599835), (540, 519857), (585, 479868), (702, 399890), (780, 359901), (1170, 239934), (1404, 199945), (1755, 159956), (2340, 119967), (3510, 79978), (7020, 39989)]