649807740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1153}}^1$

素因数の和:1300

約数の個数: 144

約数和(自身を含む): 2056594176

約数和(自身を除く): 1406786436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 101, 124, 155, 180, 186, 202, 279, 303, 310, 372, 404, 465, 505, 558, 606, 620, 909, 930, 1010, 1116, 1153, 1212, 1395, 1515, 1818, 1860, 2020, 2306, 2790, 3030, 3131, 3459, 3636, 4545, 4612, 5580, 5765, 6060, 6262, 6918, 9090, 9393, 10377, 11530, 12524, 13836, 15655, 17295, 18180, 18786, 20754, 23060, 28179, 31310, 34590, 35743, 37572, 41508, 46965, 51885, 56358, 62620, 69180, 71486, 93930, 103770, 107229, 112716, 116453, 140895, 142972, 178715, 187860, 207540, 214458, 232906, 281790, 321687, 349359, 357430, 428916, 465812, 536145, 563580, 582265, 643374, 698718, 714860, 1048077, 1072290, 1164530, 1286748, 1397436, 1608435, 1746795, 2096154, 2144580, 2329060, 3216870, 3493590, 3610043, 4192308, 5240385, 6433740, 6987180, 7220086, 10480770, 10830129, 14440172, 18050215, 20961540, 21660258, 32490387, 36100430, 43320516, 54150645, 64980774, 72200860, 108301290, 129961548, 162451935, 216602580, 324903870, 649807740]

約数ペア:

[(1, 649807740), (2, 324903870), (3, 216602580), (4, 162451935), (5, 129961548), (6, 108301290), (9, 72200860), (10, 64980774), (12, 54150645), (15, 43320516), (18, 36100430), (20, 32490387), (30, 21660258), (31, 20961540), (36, 18050215), (45, 14440172), (60, 10830129), (62, 10480770), (90, 7220086), (93, 6987180), (101, 6433740), (124, 5240385), (155, 4192308), (180, 3610043), (186, 3493590), (202, 3216870), (279, 2329060), (303, 2144580), (310, 2096154), (372, 1746795), (404, 1608435), (465, 1397436), (505, 1286748), (558, 1164530), (606, 1072290), (620, 1048077), (909, 714860), (930, 698718), (1010, 643374), (1116, 582265), (1153, 563580), (1212, 536145), (1395, 465812), (1515, 428916), (1818, 357430), (1860, 349359), (2020, 321687), (2306, 281790), (2790, 232906), (3030, 214458), (3131, 207540), (3459, 187860), (3636, 178715), (4545, 142972), (4612, 140895), (5580, 116453), (5765, 112716), (6060, 107229), (6262, 103770), (6918, 93930), (9090, 71486), (9393, 69180), (10377, 62620), (11530, 56358), (12524, 51885), (13836, 46965), (15655, 41508), (17295, 37572), (18180, 35743), (18786, 34590), (20754, 31310), (23060, 28179)]