2787725640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:885

約数の個数: 256

約数和(自身を含む): 9875520000

約数和(自身を除く): 7087794360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 89, 98, 105, 120, 140, 147, 168, 178, 196, 210, 245, 267, 280, 294, 343, 356, 392, 420, 445, 490, 534, 588, 623, 686, 712, 735, 761, 840, 890, 980, 1029, 1068, 1176, 1246, 1335, 1372, 1470, 1522, 1715, 1780, 1869, 1960, 2058, 2136, 2283, 2492, 2670, 2744, 2940, 3044, 3115, 3430, 3560, 3738, 3805, 4116, 4361, 4566, 4984, 5145, 5327, 5340, 5880, 6088, 6230, 6860, 7476, 7610, 8232, 8722, 9132, 9345, 10290, 10654, 10680, 11415, 12460, 13083, 13720, 14952, 15220, 15981, 17444, 18264, 18690, 20580, 21308, 21805, 22830, 24920, 26166, 26635, 30440, 30527, 31962, 34888, 37289, 37380, 41160, 42616, 43610, 45660, 52332, 53270, 61054, 63924, 65415, 67729, 74578, 74760, 79905, 87220, 91320, 91581, 104664, 106540, 111867, 122108, 127848, 130830, 135458, 149156, 152635, 159810, 174440, 183162, 186445, 203187, 213080, 223734, 244216, 261023, 261660, 270916, 298312, 305270, 319620, 338645, 366324, 372890, 406374, 447468, 457905, 474103, 522046, 523320, 541832, 559335, 610540, 639240, 677290, 732648, 745780, 783069, 812748, 894936, 915810, 948206, 1015935, 1044092, 1118670, 1221080, 1305115, 1354580, 1422309, 1491560, 1566138, 1625496, 1831620, 1896412, 2031870, 2088184, 2237340, 2370515, 2610230, 2709160, 2844618, 3132276, 3318721, 3663240, 3792824, 3915345, 4063740, 4474680, 4741030, 5220460, 5689236, 6264552, 6637442, 7111545, 7830690, 8127480, 9482060, 9956163, 10440920, 11378472, 13274884, 14223090, 15661380, 16593605, 18964120, 19912326, 23231047, 26549768, 28446180, 31322760, 33187210, 39824652, 46462094, 49780815, 56892360, 66374420, 69693141, 79649304, 92924188, 99561630, 116155235, 132748840, 139386282, 185848376, 199123260, 232310470, 278772564, 348465705, 398246520, 464620940, 557545128, 696931410, 929241880, 1393862820, 2787725640]

約数ペア:

[(1, 2787725640), (2, 1393862820), (3, 929241880), (4, 696931410), (5, 557545128), (6, 464620940), (7, 398246520), (8, 348465705), (10, 278772564), (12, 232310470), (14, 199123260), (15, 185848376), (20, 139386282), (21, 132748840), (24, 116155235), (28, 99561630), (30, 92924188), (35, 79649304), (40, 69693141), (42, 66374420), (49, 56892360), (56, 49780815), (60, 46462094), (70, 39824652), (84, 33187210), (89, 31322760), (98, 28446180), (105, 26549768), (120, 23231047), (140, 19912326), (147, 18964120), (168, 16593605), (178, 15661380), (196, 14223090), (210, 13274884), (245, 11378472), (267, 10440920), (280, 9956163), (294, 9482060), (343, 8127480), (356, 7830690), (392, 7111545), (420, 6637442), (445, 6264552), (490, 5689236), (534, 5220460), (588, 4741030), (623, 4474680), (686, 4063740), (712, 3915345), (735, 3792824), (761, 3663240), (840, 3318721), (890, 3132276), (980, 2844618), (1029, 2709160), (1068, 2610230), (1176, 2370515), (1246, 2237340), (1335, 2088184), (1372, 2031870), (1470, 1896412), (1522, 1831620), (1715, 1625496), (1780, 1566138), (1869, 1491560), (1960, 1422309), (2058, 1354580), (2136, 1305115), (2283, 1221080), (2492, 1118670), (2670, 1044092), (2744, 1015935), (2940, 948206), (3044, 915810), (3115, 894936), (3430, 812748), (3560, 783069), (3738, 745780), (3805, 732648), (4116, 677290), (4361, 639240), (4566, 610540), (4984, 559335), (5145, 541832), (5327, 523320), (5340, 522046), (5880, 474103), (6088, 457905), (6230, 447468), (6860, 406374), (7476, 372890), (7610, 366324), (8232, 338645), (8722, 319620), (9132, 305270), (9345, 298312), (10290, 270916), (10654, 261660), (10680, 261023), (11415, 244216), (12460, 223734), (13083, 213080), (13720, 203187), (14952, 186445), (15220, 183162), (15981, 174440), (17444, 159810), (18264, 152635), (18690, 149156), (20580, 135458), (21308, 130830), (21805, 127848), (22830, 122108), (24920, 111867), (26166, 106540), (26635, 104664), (30440, 91581), (30527, 91320), (31962, 87220), (34888, 79905), (37289, 74760), (37380, 74578), (41160, 67729), (42616, 65415), (43610, 63924), (45660, 61054), (52332, 53270)]