72978480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101359}}^1$

素因数の和:101378

約数の個数: 60

約数和(自身を含む): 245088480

約数和(自身を除く): 172110000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 101359, 202718, 304077, 405436, 506795, 608154, 810872, 912231, 1013590, 1216308, 1520385, 1621744, 1824462, 2027180, 2432616, 3040770, 3648924, 4054360, 4561155, 4865232, 6081540, 7297848, 8108720, 9122310, 12163080, 14595696, 18244620, 24326160, 36489240, 72978480]

約数ペア:

[(1, 72978480), (2, 36489240), (3, 24326160), (4, 18244620), (5, 14595696), (6, 12163080), (8, 9122310), (9, 8108720), (10, 7297848), (12, 6081540), (15, 4865232), (16, 4561155), (18, 4054360), (20, 3648924), (24, 3040770), (30, 2432616), (36, 2027180), (40, 1824462), (45, 1621744), (48, 1520385), (60, 1216308), (72, 1013590), (80, 912231), (90, 810872), (120, 608154), (144, 506795), (180, 405436), (240, 304077), (360, 202718), (720, 101359)]