721133140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1051}}^1$

素因数の和:1122

約数の個数: 144

約数和(自身を含む): 1940561280

約数和(自身を除く): 1219428140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 169, 182, 203, 260, 290, 338, 364, 377, 406, 455, 580, 676, 754, 812, 845, 910, 1015, 1051, 1183, 1508, 1690, 1820, 1885, 2030, 2102, 2366, 2639, 3380, 3770, 4060, 4204, 4732, 4901, 5255, 5278, 5915, 7357, 7540, 9802, 10510, 10556, 11830, 13195, 13663, 14714, 19604, 21020, 23660, 24505, 26390, 27326, 29428, 30479, 34307, 36785, 49010, 52780, 54652, 60958, 68315, 68614, 73570, 95641, 98020, 121916, 136630, 137228, 147140, 152395, 171535, 177619, 191282, 213353, 273260, 304790, 343070, 355238, 382564, 396227, 426706, 478205, 609580, 686140, 710476, 792454, 853412, 888095, 956410, 1066765, 1243333, 1584908, 1776190, 1912820, 1981135, 2133530, 2486666, 2773589, 3552380, 3962270, 4267060, 4973332, 5150951, 5547178, 6216665, 7924540, 10301902, 11094356, 12433330, 13867945, 20603804, 24866660, 25754755, 27735890, 36056657, 51509510, 55471780, 72113314, 103019020, 144226628, 180283285, 360566570, 721133140]

約数ペア:

[(1, 721133140), (2, 360566570), (4, 180283285), (5, 144226628), (7, 103019020), (10, 72113314), (13, 55471780), (14, 51509510), (20, 36056657), (26, 27735890), (28, 25754755), (29, 24866660), (35, 20603804), (52, 13867945), (58, 12433330), (65, 11094356), (70, 10301902), (91, 7924540), (116, 6216665), (130, 5547178), (140, 5150951), (145, 4973332), (169, 4267060), (182, 3962270), (203, 3552380), (260, 2773589), (290, 2486666), (338, 2133530), (364, 1981135), (377, 1912820), (406, 1776190), (455, 1584908), (580, 1243333), (676, 1066765), (754, 956410), (812, 888095), (845, 853412), (910, 792454), (1015, 710476), (1051, 686140), (1183, 609580), (1508, 478205), (1690, 426706), (1820, 396227), (1885, 382564), (2030, 355238), (2102, 343070), (2366, 304790), (2639, 273260), (3380, 213353), (3770, 191282), (4060, 177619), (4204, 171535), (4732, 152395), (4901, 147140), (5255, 137228), (5278, 136630), (5915, 121916), (7357, 98020), (7540, 95641), (9802, 73570), (10510, 68614), (10556, 68315), (11830, 60958), (13195, 54652), (13663, 52780), (14714, 49010), (19604, 36785), (21020, 34307), (23660, 30479), (24505, 29428), (26390, 27326)]