240641520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{143239}}^1$

素因数の和:143262

約数の個数: 80

約数和(自身を含む): 852564480

約数和(自身を除く): 611922960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 143239, 286478, 429717, 572956, 716195, 859434, 1002673, 1145912, 1432390, 1718868, 2005346, 2148585, 2291824, 2864780, 3008019, 3437736, 4010692, 4297170, 5013365, 5729560, 6016038, 6875472, 8021384, 8594340, 10026730, 11459120, 12032076, 15040095, 16042768, 17188680, 20053460, 24064152, 30080190, 34377360, 40106920, 48128304, 60160380, 80213840, 120320760, 240641520]

約数ペア:

[(1, 240641520), (2, 120320760), (3, 80213840), (4, 60160380), (5, 48128304), (6, 40106920), (7, 34377360), (8, 30080190), (10, 24064152), (12, 20053460), (14, 17188680), (15, 16042768), (16, 15040095), (20, 12032076), (21, 11459120), (24, 10026730), (28, 8594340), (30, 8021384), (35, 6875472), (40, 6016038), (42, 5729560), (48, 5013365), (56, 4297170), (60, 4010692), (70, 3437736), (80, 3008019), (84, 2864780), (105, 2291824), (112, 2148585), (120, 2005346), (140, 1718868), (168, 1432390), (210, 1145912), (240, 1002673), (280, 859434), (336, 716195), (420, 572956), (560, 429717), (840, 286478), (1680, 143239)]