778865640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{4049}}^1$

素因数の和:4299

約数の個数: 128

約数和(自身を含む): 2682720000

約数和(自身を除く): 1903854360

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, 84, 105, 120, 140, 168, 210, 229, 280, 420, 458, 687, 840, 916, 1145, 1374, 1603, 1832, 2290, 2748, 3206, 3435, 4049, 4580, 4809, 5496, 6412, 6870, 8015, 8098, 9160, 9618, 12147, 12824, 13740, 16030, 16196, 19236, 20245, 24045, 24294, 27480, 28343, 32060, 32392, 38472, 40490, 48090, 48588, 56686, 60735, 64120, 80980, 85029, 96180, 97176, 113372, 121470, 141715, 161960, 170058, 192360, 226744, 242940, 283430, 340116, 425145, 485880, 566860, 680232, 850290, 927221, 1133720, 1700580, 1854442, 2781663, 3401160, 3708884, 4636105, 5563326, 6490547, 7417768, 9272210, 11126652, 12981094, 13908315, 18544420, 19471641, 22253304, 25962188, 27816630, 32452735, 37088840, 38943282, 51924376, 55633260, 64905470, 77886564, 97358205, 111266520, 129810940, 155773128, 194716410, 259621880, 389432820, 778865640]

約数ペア:

[(1, 778865640), (2, 389432820), (3, 259621880), (4, 194716410), (5, 155773128), (6, 129810940), (7, 111266520), (8, 97358205), (10, 77886564), (12, 64905470), (14, 55633260), (15, 51924376), (20, 38943282), (21, 37088840), (24, 32452735), (28, 27816630), (30, 25962188), (35, 22253304), (40, 19471641), (42, 18544420), (56, 13908315), (60, 12981094), (70, 11126652), (84, 9272210), (105, 7417768), (120, 6490547), (140, 5563326), (168, 4636105), (210, 3708884), (229, 3401160), (280, 2781663), (420, 1854442), (458, 1700580), (687, 1133720), (840, 927221), (916, 850290), (1145, 680232), (1374, 566860), (1603, 485880), (1832, 425145), (2290, 340116), (2748, 283430), (3206, 242940), (3435, 226744), (4049, 192360), (4580, 170058), (4809, 161960), (5496, 141715), (6412, 121470), (6870, 113372), (8015, 97176), (8098, 96180), (9160, 85029), (9618, 80980), (12147, 64120), (12824, 60735), (13740, 56686), (16030, 48588), (16196, 48090), (19236, 40490), (20245, 38472), (24045, 32392), (24294, 32060), (27480, 28343)]