647615673580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{479}}^1\times {\mathrm{6967}}^1$

素因数の和:7799

約数の個数: 96

約数和(自身を含む): 1411491594240

約数和(自身を除く): 763875920660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 313, 479, 620, 626, 958, 1252, 1565, 1916, 2395, 3130, 4790, 6260, 6967, 9580, 9703, 13934, 14849, 19406, 27868, 29698, 34835, 38812, 48515, 59396, 69670, 74245, 97030, 139340, 148490, 149927, 194060, 215977, 296980, 299854, 431954, 599708, 749635, 863908, 1079885, 1499270, 2159770, 2180671, 2998540, 3337193, 4319540, 4361342, 4647737, 6674386, 8722684, 9295474, 10903355, 13348772, 16685965, 18590948, 21806710, 23238685, 33371930, 43613420, 46477370, 66743860, 67600801, 92954740, 103452983, 135201602, 206905966, 270403204, 338004005, 413811932, 517264915, 676008010, 1034529830, 1044541409, 1352016020, 2069059660, 2089082818, 4178165636, 5222707045, 10445414090, 20890828180, 32380783679, 64761567358, 129523134716, 161903918395, 323807836790, 647615673580]

約数ペア:

[(1, 647615673580), (2, 323807836790), (4, 161903918395), (5, 129523134716), (10, 64761567358), (20, 32380783679), (31, 20890828180), (62, 10445414090), (124, 5222707045), (155, 4178165636), (310, 2089082818), (313, 2069059660), (479, 1352016020), (620, 1044541409), (626, 1034529830), (958, 676008010), (1252, 517264915), (1565, 413811932), (1916, 338004005), (2395, 270403204), (3130, 206905966), (4790, 135201602), (6260, 103452983), (6967, 92954740), (9580, 67600801), (9703, 66743860), (13934, 46477370), (14849, 43613420), (19406, 33371930), (27868, 23238685), (29698, 21806710), (34835, 18590948), (38812, 16685965), (48515, 13348772), (59396, 10903355), (69670, 9295474), (74245, 8722684), (97030, 6674386), (139340, 4647737), (148490, 4361342), (149927, 4319540), (194060, 3337193), (215977, 2998540), (296980, 2180671), (299854, 2159770), (431954, 1499270), (599708, 1079885), (749635, 863908)]