644523321240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{198926951}}^1$

素因数の和:198926974

約数の個数: 80

約数和(自身を含む): 2166314507280

約数和(自身を除く): 1521791186040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 198926951, 397853902, 596780853, 795707804, 994634755, 1193561706, 1591415608, 1790342559, 1989269510, 2387123412, 2983904265, 3580685118, 3978539020, 4774246824, 5371027677, 5967808530, 7161370236, 7957078040, 8951712795, 10742055354, 11935617060, 14322740472, 16113083031, 17903425590, 21484110708, 23871234120, 26855138385, 32226166062, 35806851180, 42968221416, 53710276770, 64452332124, 71613702360, 80565415155, 107420553540, 128904664248, 161130830310, 214841107080, 322261660620, 644523321240]

約数ペア:

[(1, 644523321240), (2, 322261660620), (3, 214841107080), (4, 161130830310), (5, 128904664248), (6, 107420553540), (8, 80565415155), (9, 71613702360), (10, 64452332124), (12, 53710276770), (15, 42968221416), (18, 35806851180), (20, 32226166062), (24, 26855138385), (27, 23871234120), (30, 21484110708), (36, 17903425590), (40, 16113083031), (45, 14322740472), (54, 11935617060), (60, 10742055354), (72, 8951712795), (81, 7957078040), (90, 7161370236), (108, 5967808530), (120, 5371027677), (135, 4774246824), (162, 3978539020), (180, 3580685118), (216, 2983904265), (270, 2387123412), (324, 1989269510), (360, 1790342559), (405, 1591415608), (540, 1193561706), (648, 994634755), (810, 795707804), (1080, 596780853), (1620, 397853902), (3240, 198926951)]