65280390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16361}}^1$

素因数の和:16397

約数の個数: 64

約数和(自身を含む): 188490240

約数和(自身を除く): 123209850

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 16361, 32722, 49083, 81805, 98166, 114527, 163610, 229054, 245415, 310859, 343581, 490830, 572635, 621718, 687162, 932577, 1145270, 1554295, 1717905, 1865154, 2176013, 3108590, 3435810, 4352026, 4662885, 6528039, 9325770, 10880065, 13056078, 21760130, 32640195, 65280390]

約数ペア:

[(1, 65280390), (2, 32640195), (3, 21760130), (5, 13056078), (6, 10880065), (7, 9325770), (10, 6528039), (14, 4662885), (15, 4352026), (19, 3435810), (21, 3108590), (30, 2176013), (35, 1865154), (38, 1717905), (42, 1554295), (57, 1145270), (70, 932577), (95, 687162), (105, 621718), (114, 572635), (133, 490830), (190, 343581), (210, 310859), (266, 245415), (285, 229054), (399, 163610), (570, 114527), (665, 98166), (798, 81805), (1330, 49083), (1995, 32722), (3990, 16361)]