806511720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13523}}^1$

素因数の和:13615

約数の個数: 128

約数和(自身を含む): 2804336640

約数和(自身を除く): 1997824920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 7455, 8520, 9940, 11928, 13523, 14910, 19880, 27046, 29820, 40569, 54092, 59640, 67615, 81138, 94661, 108184, 135230, 162276, 189322, 202845, 270460, 283983, 324552, 378644, 405690, 473305, 540920, 567966, 757288, 811380, 946610, 960133, 1135932, 1419915, 1622760, 1893220, 1920266, 2271864, 2839830, 2880399, 3786440, 3840532, 4800665, 5679660, 5760798, 6720931, 7681064, 9601330, 11359320, 11521596, 13441862, 14401995, 19202660, 20162793, 23043192, 26883724, 28803990, 33604655, 38405320, 40325586, 53767448, 57607980, 67209310, 80651172, 100813965, 115215960, 134418620, 161302344, 201627930, 268837240, 403255860, 806511720]

約数ペア:

[(1, 806511720), (2, 403255860), (3, 268837240), (4, 201627930), (5, 161302344), (6, 134418620), (7, 115215960), (8, 100813965), (10, 80651172), (12, 67209310), (14, 57607980), (15, 53767448), (20, 40325586), (21, 38405320), (24, 33604655), (28, 28803990), (30, 26883724), (35, 23043192), (40, 20162793), (42, 19202660), (56, 14401995), (60, 13441862), (70, 11521596), (71, 11359320), (84, 9601330), (105, 7681064), (120, 6720931), (140, 5760798), (142, 5679660), (168, 4800665), (210, 3840532), (213, 3786440), (280, 2880399), (284, 2839830), (355, 2271864), (420, 1920266), (426, 1893220), (497, 1622760), (568, 1419915), (710, 1135932), (840, 960133), (852, 946610), (994, 811380), (1065, 757288), (1420, 567966), (1491, 540920), (1704, 473305), (1988, 405690), (2130, 378644), (2485, 324552), (2840, 283983), (2982, 270460), (3976, 202845), (4260, 189322), (4970, 162276), (5964, 135230), (7455, 108184), (8520, 94661), (9940, 81138), (11928, 67615), (13523, 59640), (14910, 54092), (19880, 40569), (27046, 29820)]