76640680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3253}}^1$

素因数の和:3314

約数の個数: 64

約数和(自身を含む): 187430400

約数和(自身を除く): 110789720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 3253, 4712, 5890, 6506, 11780, 13012, 16265, 23560, 26024, 32530, 61807, 65060, 100843, 123614, 130120, 201686, 247228, 309035, 403372, 494456, 504215, 618070, 806744, 1008430, 1236140, 1916017, 2016860, 2472280, 3832034, 4033720, 7664068, 9580085, 15328136, 19160170, 38320340, 76640680]

約数ペア:

[(1, 76640680), (2, 38320340), (4, 19160170), (5, 15328136), (8, 9580085), (10, 7664068), (19, 4033720), (20, 3832034), (31, 2472280), (38, 2016860), (40, 1916017), (62, 1236140), (76, 1008430), (95, 806744), (124, 618070), (152, 504215), (155, 494456), (190, 403372), (248, 309035), (310, 247228), (380, 201686), (589, 130120), (620, 123614), (760, 100843), (1178, 65060), (1240, 61807), (2356, 32530), (2945, 26024), (3253, 23560), (4712, 16265), (5890, 13012), (6506, 11780)]