638831720700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{18049}}^1\times {\mathrm{13109}}^1$

素因数の和:31181

約数の個数: 144

約数和(自身を含む): 2053996140000

約数和(自身を除く): 1415164419300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 13109, 18049, 26218, 36098, 39327, 52436, 54147, 65545, 72196, 78654, 90245, 108294, 117981, 131090, 157308, 162441, 180490, 196635, 216588, 235962, 262180, 270735, 324882, 327725, 353943, 360980, 393270, 451225, 471924, 487323, 541470, 589905, 649764, 655450, 707886, 786540, 812205, 902450, 974646, 983175, 1082940, 1179810, 1310900, 1353675, 1415772, 1624410, 1769715, 1804900, 1949292, 1966350, 2359620, 2436615, 2707350, 2949525, 3248820, 3539430, 3932700, 4061025, 4873230, 5414700, 5899050, 7078860, 8122050, 8848575, 9746460, 11798100, 12183075, 16244100, 17697150, 24366150, 35394300, 48732300, 236604341, 473208682, 709813023, 946417364, 1183021705, 1419626046, 2129439069, 2366043410, 2839252092, 3549065115, 4258878138, 4732086820, 5915108525, 6388317207, 7098130230, 8517756276, 10647195345, 11830217050, 12776634414, 14196260460, 17745325575, 21294390690, 23660434100, 25553268828, 31941586035, 35490651150, 42588781380, 53235976725, 63883172070, 70981302300, 106471953450, 127766344140, 159707930175, 212943906900, 319415860350, 638831720700]

約数ペア:

[(1, 638831720700), (2, 319415860350), (3, 212943906900), (4, 159707930175), (5, 127766344140), (6, 106471953450), (9, 70981302300), (10, 63883172070), (12, 53235976725), (15, 42588781380), (18, 35490651150), (20, 31941586035), (25, 25553268828), (27, 23660434100), (30, 21294390690), (36, 17745325575), (45, 14196260460), (50, 12776634414), (54, 11830217050), (60, 10647195345), (75, 8517756276), (90, 7098130230), (100, 6388317207), (108, 5915108525), (135, 4732086820), (150, 4258878138), (180, 3549065115), (225, 2839252092), (270, 2366043410), (300, 2129439069), (450, 1419626046), (540, 1183021705), (675, 946417364), (900, 709813023), (1350, 473208682), (2700, 236604341), (13109, 48732300), (18049, 35394300), (26218, 24366150), (36098, 17697150), (39327, 16244100), (52436, 12183075), (54147, 11798100), (65545, 9746460), (72196, 8848575), (78654, 8122050), (90245, 7078860), (108294, 5899050), (117981, 5414700), (131090, 4873230), (157308, 4061025), (162441, 3932700), (180490, 3539430), (196635, 3248820), (216588, 2949525), (235962, 2707350), (262180, 2436615), (270735, 2359620), (324882, 1966350), (327725, 1949292), (353943, 1804900), (360980, 1769715), (393270, 1624410), (451225, 1415772), (471924, 1353675), (487323, 1310900), (541470, 1179810), (589905, 1082940), (649764, 983175), (655450, 974646), (707886, 902450), (786540, 812205)]