72864120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86743}}^1$

素因数の和:86764

約数の個数: 64

約数和(自身を含む): 249822720

約数和(自身を除く): 176958600

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, 86743, 173486, 260229, 346972, 433715, 520458, 607201, 693944, 867430, 1040916, 1214402, 1301145, 1734860, 1821603, 2081832, 2428804, 2602290, 3036005, 3469720, 3643206, 4857608, 5204580, 6072010, 7286412, 9108015, 10409160, 12144020, 14572824, 18216030, 24288040, 36432060, 72864120]

約数ペア:

[(1, 72864120), (2, 36432060), (3, 24288040), (4, 18216030), (5, 14572824), (6, 12144020), (7, 10409160), (8, 9108015), (10, 7286412), (12, 6072010), (14, 5204580), (15, 4857608), (20, 3643206), (21, 3469720), (24, 3036005), (28, 2602290), (30, 2428804), (35, 2081832), (40, 1821603), (42, 1734860), (56, 1301145), (60, 1214402), (70, 1040916), (84, 867430), (105, 693944), (120, 607201), (140, 520458), (168, 433715), (210, 346972), (280, 260229), (420, 173486), (840, 86743)]