2921685520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7041

約数の個数: 120

約数和(自身を含む): 7594013952

約数和(自身を除く): 4672328432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 169, 208, 248, 260, 310, 338, 403, 496, 520, 620, 676, 806, 845, 1040, 1240, 1352, 1612, 1690, 2015, 2480, 2704, 3224, 3380, 4030, 5239, 6448, 6760, 6971, 8060, 10478, 13520, 13942, 16120, 20956, 26195, 27884, 32240, 34855, 41912, 52390, 55768, 69710, 83824, 90623, 104780, 111536, 139420, 181246, 209560, 216101, 278840, 362492, 419120, 432202, 453115, 557680, 724984, 864404, 906230, 1080505, 1178099, 1449968, 1728808, 1812460, 2161010, 2356198, 2809313, 3457616, 3624920, 4322020, 4712396, 5618626, 5890495, 7249840, 8644040, 9424792, 11237252, 11780990, 14046565, 17288080, 18849584, 22474504, 23561980, 28093130, 36521069, 44949008, 47123960, 56186260, 73042138, 94247920, 112372520, 146084276, 182605345, 224745040, 292168552, 365210690, 584337104, 730421380, 1460842760, 2921685520]

約数ペア:

[(1, 2921685520), (2, 1460842760), (4, 730421380), (5, 584337104), (8, 365210690), (10, 292168552), (13, 224745040), (16, 182605345), (20, 146084276), (26, 112372520), (31, 94247920), (40, 73042138), (52, 56186260), (62, 47123960), (65, 44949008), (80, 36521069), (104, 28093130), (124, 23561980), (130, 22474504), (155, 18849584), (169, 17288080), (208, 14046565), (248, 11780990), (260, 11237252), (310, 9424792), (338, 8644040), (403, 7249840), (496, 5890495), (520, 5618626), (620, 4712396), (676, 4322020), (806, 3624920), (845, 3457616), (1040, 2809313), (1240, 2356198), (1352, 2161010), (1612, 1812460), (1690, 1728808), (2015, 1449968), (2480, 1178099), (2704, 1080505), (3224, 906230), (3380, 864404), (4030, 724984), (5239, 557680), (6448, 453115), (6760, 432202), (6971, 419120), (8060, 362492), (10478, 278840), (13520, 216101), (13942, 209560), (16120, 181246), (20956, 139420), (26195, 111536), (27884, 104780), (32240, 90623), (34855, 83824), (41912, 69710), (52390, 55768)]