71380680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{84977}}^1$

素因数の和:84998

約数の個数: 64

約数和(自身を含む): 244736640

約数和(自身を除く): 173355960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 84977, 169954, 254931, 339908, 424885, 509862, 594839, 679816, 849770, 1019724, 1189678, 1274655, 1699540, 1784517, 2039448, 2379356, 2549310, 2974195, 3399080, 3569034, 4758712, 5098620, 5948390, 7138068, 8922585, 10197240, 11896780, 14276136, 17845170, 23793560, 35690340, 71380680]

約数ペア:

[(1, 71380680), (2, 35690340), (3, 23793560), (4, 17845170), (5, 14276136), (6, 11896780), (7, 10197240), (8, 8922585), (10, 7138068), (12, 5948390), (14, 5098620), (15, 4758712), (20, 3569034), (21, 3399080), (24, 2974195), (28, 2549310), (30, 2379356), (35, 2039448), (40, 1784517), (42, 1699540), (56, 1274655), (60, 1189678), (70, 1019724), (84, 849770), (105, 679816), (120, 594839), (140, 509862), (168, 424885), (210, 339908), (280, 254931), (420, 169954), (840, 84977)]