645395400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27581}}^1$

素因数の和:27616

約数の個数: 144

約数和(自身を含む): 2334264660

約数和(自身を除く): 1688869260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 936, 975, 1170, 1300, 1560, 1800, 1950, 2340, 2600, 2925, 3900, 4680, 5850, 7800, 11700, 23400, 27581, 55162, 82743, 110324, 137905, 165486, 220648, 248229, 275810, 330972, 358553, 413715, 496458, 551620, 661944, 689525, 717106, 827430, 992916, 1075659, 1103240, 1241145, 1379050, 1434212, 1654860, 1792765, 1985832, 2068575, 2151318, 2482290, 2758100, 2868424, 3226977, 3309720, 3585530, 4137150, 4302636, 4964580, 5378295, 5516200, 6205725, 6453954, 7171060, 8274300, 8605272, 8963825, 9929160, 10756590, 12411450, 12907908, 14342120, 16134885, 16548600, 17927650, 21513180, 24822900, 25815816, 26891475, 32269770, 35855300, 43026360, 49645800, 53782950, 64539540, 71710600, 80674425, 107565900, 129079080, 161348850, 215131800, 322697700, 645395400]

約数ペア:

[(1, 645395400), (2, 322697700), (3, 215131800), (4, 161348850), (5, 129079080), (6, 107565900), (8, 80674425), (9, 71710600), (10, 64539540), (12, 53782950), (13, 49645800), (15, 43026360), (18, 35855300), (20, 32269770), (24, 26891475), (25, 25815816), (26, 24822900), (30, 21513180), (36, 17927650), (39, 16548600), (40, 16134885), (45, 14342120), (50, 12907908), (52, 12411450), (60, 10756590), (65, 9929160), (72, 8963825), (75, 8605272), (78, 8274300), (90, 7171060), (100, 6453954), (104, 6205725), (117, 5516200), (120, 5378295), (130, 4964580), (150, 4302636), (156, 4137150), (180, 3585530), (195, 3309720), (200, 3226977), (225, 2868424), (234, 2758100), (260, 2482290), (300, 2151318), (312, 2068575), (325, 1985832), (360, 1792765), (390, 1654860), (450, 1434212), (468, 1379050), (520, 1241145), (585, 1103240), (600, 1075659), (650, 992916), (780, 827430), (900, 717106), (936, 689525), (975, 661944), (1170, 551620), (1300, 496458), (1560, 413715), (1800, 358553), (1950, 330972), (2340, 275810), (2600, 248229), (2925, 220648), (3900, 165486), (4680, 137905), (5850, 110324), (7800, 82743), (11700, 55162), (23400, 27581)]