3127280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 8166144

約数和(自身を除く): 5038864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 97, 104, 124, 130, 155, 194, 208, 248, 260, 310, 388, 403, 485, 496, 520, 620, 776, 806, 970, 1040, 1240, 1261, 1552, 1612, 1940, 2015, 2480, 2522, 3007, 3224, 3880, 4030, 5044, 6014, 6305, 6448, 7760, 8060, 10088, 12028, 12610, 15035, 16120, 20176, 24056, 25220, 30070, 32240, 39091, 48112, 50440, 60140, 78182, 100880, 120280, 156364, 195455, 240560, 312728, 390910, 625456, 781820, 1563640, 3127280]

約数ペア:

[(1, 3127280), (2, 1563640), (4, 781820), (5, 625456), (8, 390910), (10, 312728), (13, 240560), (16, 195455), (20, 156364), (26, 120280), (31, 100880), (40, 78182), (52, 60140), (62, 50440), (65, 48112), (80, 39091), (97, 32240), (104, 30070), (124, 25220), (130, 24056), (155, 20176), (194, 16120), (208, 15035), (248, 12610), (260, 12028), (310, 10088), (388, 8060), (403, 7760), (485, 6448), (496, 6305), (520, 6014), (620, 5044), (776, 4030), (806, 3880), (970, 3224), (1040, 3007), (1240, 2522), (1261, 2480), (1552, 2015), (1612, 1940)]