64286560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1056

約数の個数: 96

約数和(自身を含む): 169005312

約数和(自身を除く): 104718752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 997, 1040, 1240, 1612, 1994, 2015, 2080, 2480, 3224, 3988, 4030, 4960, 4985, 6448, 7976, 8060, 9970, 12896, 12961, 15952, 16120, 19940, 25922, 30907, 31904, 32240, 39880, 51844, 61814, 64480, 64805, 79760, 103688, 123628, 129610, 154535, 159520, 207376, 247256, 259220, 309070, 401791, 414752, 494512, 518440, 618140, 803582, 989024, 1036880, 1236280, 1607164, 2008955, 2073760, 2472560, 3214328, 4017910, 4945120, 6428656, 8035820, 12857312, 16071640, 32143280, 64286560]

約数ペア:

[(1, 64286560), (2, 32143280), (4, 16071640), (5, 12857312), (8, 8035820), (10, 6428656), (13, 4945120), (16, 4017910), (20, 3214328), (26, 2472560), (31, 2073760), (32, 2008955), (40, 1607164), (52, 1236280), (62, 1036880), (65, 989024), (80, 803582), (104, 618140), (124, 518440), (130, 494512), (155, 414752), (160, 401791), (208, 309070), (248, 259220), (260, 247256), (310, 207376), (403, 159520), (416, 154535), (496, 129610), (520, 123628), (620, 103688), (806, 79760), (992, 64805), (997, 64480), (1040, 61814), (1240, 51844), (1612, 39880), (1994, 32240), (2015, 31904), (2080, 30907), (2480, 25922), (3224, 19940), (3988, 16120), (4030, 15952), (4960, 12961), (4985, 12896), (6448, 9970), (7976, 8060)]