15507440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 120

約数和(自身を含む): 41390208

約数和(自身を除く): 25882768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 37, 40, 52, 62, 65, 74, 80, 104, 124, 130, 148, 155, 169, 185, 208, 248, 260, 296, 310, 338, 370, 403, 481, 496, 520, 592, 620, 676, 740, 806, 845, 962, 1040, 1147, 1240, 1352, 1480, 1612, 1690, 1924, 2015, 2294, 2405, 2480, 2704, 2960, 3224, 3380, 3848, 4030, 4588, 4810, 5239, 5735, 6253, 6448, 6760, 7696, 8060, 9176, 9620, 10478, 11470, 12506, 13520, 14911, 16120, 18352, 19240, 20956, 22940, 25012, 26195, 29822, 31265, 32240, 38480, 41912, 45880, 50024, 52390, 59644, 62530, 74555, 83824, 91760, 100048, 104780, 119288, 125060, 149110, 193843, 209560, 238576, 250120, 298220, 387686, 419120, 500240, 596440, 775372, 969215, 1192880, 1550744, 1938430, 3101488, 3876860, 7753720, 15507440]

約数ペア:

[(1, 15507440), (2, 7753720), (4, 3876860), (5, 3101488), (8, 1938430), (10, 1550744), (13, 1192880), (16, 969215), (20, 775372), (26, 596440), (31, 500240), (37, 419120), (40, 387686), (52, 298220), (62, 250120), (65, 238576), (74, 209560), (80, 193843), (104, 149110), (124, 125060), (130, 119288), (148, 104780), (155, 100048), (169, 91760), (185, 83824), (208, 74555), (248, 62530), (260, 59644), (296, 52390), (310, 50024), (338, 45880), (370, 41912), (403, 38480), (481, 32240), (496, 31265), (520, 29822), (592, 26195), (620, 25012), (676, 22940), (740, 20956), (806, 19240), (845, 18352), (962, 16120), (1040, 14911), (1147, 13520), (1240, 12506), (1352, 11470), (1480, 10478), (1612, 9620), (1690, 9176), (1924, 8060), (2015, 7696), (2294, 6760), (2405, 6448), (2480, 6253), (2704, 5735), (2960, 5239), (3224, 4810), (3380, 4588), (3848, 4030)]