724444980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{1381}}^1$

素因数の和:2649

約数の個数: 96

約数和(自身を含む): 2321760000

約数和(自身を除く): 1597315020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1249, 1381, 2498, 2762, 3747, 4143, 4996, 5524, 6245, 6905, 7494, 8286, 8743, 9667, 12490, 13810, 14988, 16572, 17486, 18735, 19334, 20715, 24980, 26229, 27620, 29001, 34972, 37470, 38668, 41430, 43715, 48335, 52458, 58002, 74940, 82860, 87430, 96670, 104916, 116004, 131145, 145005, 174860, 193340, 262290, 290010, 524580, 580020, 1724869, 3449738, 5174607, 6899476, 8624345, 10349214, 12074083, 17248690, 20698428, 24148166, 25873035, 34497380, 36222249, 48296332, 51746070, 60370415, 72444498, 103492140, 120740830, 144888996, 181111245, 241481660, 362222490, 724444980]

約数ペア:

[(1, 724444980), (2, 362222490), (3, 241481660), (4, 181111245), (5, 144888996), (6, 120740830), (7, 103492140), (10, 72444498), (12, 60370415), (14, 51746070), (15, 48296332), (20, 36222249), (21, 34497380), (28, 25873035), (30, 24148166), (35, 20698428), (42, 17248690), (60, 12074083), (70, 10349214), (84, 8624345), (105, 6899476), (140, 5174607), (210, 3449738), (420, 1724869), (1249, 580020), (1381, 524580), (2498, 290010), (2762, 262290), (3747, 193340), (4143, 174860), (4996, 145005), (5524, 131145), (6245, 116004), (6905, 104916), (7494, 96670), (8286, 87430), (8743, 82860), (9667, 74940), (12490, 58002), (13810, 52458), (14988, 48335), (16572, 43715), (17486, 41430), (18735, 38668), (19334, 37470), (20715, 34972), (24980, 29001), (26229, 27620)]