145728240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{86743}}^1$

素因数の和:86766

約数の個数: 80

約数和(自身を含む): 516300288

約数和(自身を除く): 370572048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 86743, 173486, 260229, 346972, 433715, 520458, 607201, 693944, 867430, 1040916, 1214402, 1301145, 1387888, 1734860, 1821603, 2081832, 2428804, 2602290, 3036005, 3469720, 3643206, 4163664, 4857608, 5204580, 6072010, 6939440, 7286412, 9108015, 9715216, 10409160, 12144020, 14572824, 18216030, 20818320, 24288040, 29145648, 36432060, 48576080, 72864120, 145728240]

約数ペア:

[(1, 145728240), (2, 72864120), (3, 48576080), (4, 36432060), (5, 29145648), (6, 24288040), (7, 20818320), (8, 18216030), (10, 14572824), (12, 12144020), (14, 10409160), (15, 9715216), (16, 9108015), (20, 7286412), (21, 6939440), (24, 6072010), (28, 5204580), (30, 4857608), (35, 4163664), (40, 3643206), (42, 3469720), (48, 3036005), (56, 2602290), (60, 2428804), (70, 2081832), (80, 1821603), (84, 1734860), (105, 1387888), (112, 1301145), (120, 1214402), (140, 1040916), (168, 867430), (210, 693944), (240, 607201), (280, 520458), (336, 433715), (420, 346972), (560, 260229), (840, 173486), (1680, 86743)]