655819320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{420397}}^1$

素因数の和:420424

約数の個数: 64

約数和(自身を含む): 2118805920

約数和(自身を除く): 1462986600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 420397, 840794, 1261191, 1681588, 2101985, 2522382, 3363176, 4203970, 5044764, 5465161, 6305955, 8407940, 10089528, 10930322, 12611910, 16395483, 16815880, 21860644, 25223820, 27325805, 32790966, 43721288, 50447640, 54651610, 65581932, 81977415, 109303220, 131163864, 163954830, 218606440, 327909660, 655819320]

約数ペア:

[(1, 655819320), (2, 327909660), (3, 218606440), (4, 163954830), (5, 131163864), (6, 109303220), (8, 81977415), (10, 65581932), (12, 54651610), (13, 50447640), (15, 43721288), (20, 32790966), (24, 27325805), (26, 25223820), (30, 21860644), (39, 16815880), (40, 16395483), (52, 12611910), (60, 10930322), (65, 10089528), (78, 8407940), (104, 6305955), (120, 5465161), (130, 5044764), (156, 4203970), (195, 3363176), (260, 2522382), (312, 2101985), (390, 1681588), (520, 1261191), (780, 840794), (1560, 420397)]