1254635720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{5987}}^1$

素因数の和:6055

約数の個数: 96

約数和(自身を含む): 3155915520

約数和(自身を除く): 1901279800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 169, 248, 260, 310, 338, 403, 520, 620, 676, 806, 845, 1240, 1352, 1612, 1690, 2015, 3224, 3380, 4030, 5239, 5987, 6760, 8060, 10478, 11974, 16120, 20956, 23948, 26195, 29935, 41912, 47896, 52390, 59870, 77831, 104780, 119740, 155662, 185597, 209560, 239480, 311324, 371194, 389155, 622648, 742388, 778310, 927985, 1011803, 1484776, 1556620, 1855970, 2023606, 2412761, 3113240, 3711940, 4047212, 4825522, 5059015, 7423880, 8094424, 9651044, 10118030, 12063805, 19302088, 20236060, 24127610, 31365893, 40472120, 48255220, 62731786, 96510440, 125463572, 156829465, 250927144, 313658930, 627317860, 1254635720]

約数ペア:

[(1, 1254635720), (2, 627317860), (4, 313658930), (5, 250927144), (8, 156829465), (10, 125463572), (13, 96510440), (20, 62731786), (26, 48255220), (31, 40472120), (40, 31365893), (52, 24127610), (62, 20236060), (65, 19302088), (104, 12063805), (124, 10118030), (130, 9651044), (155, 8094424), (169, 7423880), (248, 5059015), (260, 4825522), (310, 4047212), (338, 3711940), (403, 3113240), (520, 2412761), (620, 2023606), (676, 1855970), (806, 1556620), (845, 1484776), (1240, 1011803), (1352, 927985), (1612, 778310), (1690, 742388), (2015, 622648), (3224, 389155), (3380, 371194), (4030, 311324), (5239, 239480), (5987, 209560), (6760, 185597), (8060, 155662), (10478, 119740), (11974, 104780), (16120, 77831), (20956, 59870), (23948, 52390), (26195, 47896), (29935, 41912)]