2591499560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{431}}^1$

素因数の和:859

約数の個数: 128

約数和(自身を含む): 6514421760

約数和(自身を除く): 3922922200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 373, 403, 431, 520, 620, 746, 806, 862, 1240, 1492, 1612, 1724, 1865, 2015, 2155, 2984, 3224, 3448, 3730, 4030, 4310, 4849, 5603, 7460, 8060, 8620, 9698, 11206, 11563, 13361, 14920, 16120, 17240, 19396, 22412, 23126, 24245, 26722, 28015, 38792, 44824, 46252, 48490, 53444, 56030, 57815, 66805, 92504, 96980, 106888, 112060, 115630, 133610, 150319, 160763, 173693, 193960, 224120, 231260, 267220, 300638, 321526, 347386, 462520, 534440, 601276, 643052, 694772, 751595, 803815, 868465, 1202552, 1286104, 1389544, 1503190, 1607630, 1736930, 2089919, 3006380, 3215260, 3473860, 4179838, 4983653, 6012760, 6430520, 6947720, 8359676, 9967306, 10449595, 16719352, 19934612, 20899190, 24918265, 39869224, 41798380, 49836530, 64787489, 83596760, 99673060, 129574978, 199346120, 259149956, 323937445, 518299912, 647874890, 1295749780, 2591499560]

約数ペア:

[(1, 2591499560), (2, 1295749780), (4, 647874890), (5, 518299912), (8, 323937445), (10, 259149956), (13, 199346120), (20, 129574978), (26, 99673060), (31, 83596760), (40, 64787489), (52, 49836530), (62, 41798380), (65, 39869224), (104, 24918265), (124, 20899190), (130, 19934612), (155, 16719352), (248, 10449595), (260, 9967306), (310, 8359676), (373, 6947720), (403, 6430520), (431, 6012760), (520, 4983653), (620, 4179838), (746, 3473860), (806, 3215260), (862, 3006380), (1240, 2089919), (1492, 1736930), (1612, 1607630), (1724, 1503190), (1865, 1389544), (2015, 1286104), (2155, 1202552), (2984, 868465), (3224, 803815), (3448, 751595), (3730, 694772), (4030, 643052), (4310, 601276), (4849, 534440), (5603, 462520), (7460, 347386), (8060, 321526), (8620, 300638), (9698, 267220), (11206, 231260), (11563, 224120), (13361, 193960), (14920, 173693), (16120, 160763), (17240, 150319), (19396, 133610), (22412, 115630), (23126, 112060), (24245, 106888), (26722, 96980), (28015, 92504), (38792, 66805), (44824, 57815), (46252, 56030), (48490, 53444)]