221018720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1801}}^1$

素因数の和:1888

約数の個数: 96

約数和(自身を含む): 572171040

約数和(自身を除く): 351152320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 65, 80, 104, 118, 130, 160, 208, 236, 260, 295, 416, 472, 520, 590, 767, 944, 1040, 1180, 1534, 1801, 1888, 2080, 2360, 3068, 3602, 3835, 4720, 6136, 7204, 7670, 9005, 9440, 12272, 14408, 15340, 18010, 23413, 24544, 28816, 30680, 36020, 46826, 57632, 61360, 72040, 93652, 106259, 117065, 122720, 144080, 187304, 212518, 234130, 288160, 374608, 425036, 468260, 531295, 749216, 850072, 936520, 1062590, 1381367, 1700144, 1873040, 2125180, 2762734, 3400288, 3746080, 4250360, 5525468, 6906835, 8500720, 11050936, 13813670, 17001440, 22101872, 27627340, 44203744, 55254680, 110509360, 221018720]

約数ペア:

[(1, 221018720), (2, 110509360), (4, 55254680), (5, 44203744), (8, 27627340), (10, 22101872), (13, 17001440), (16, 13813670), (20, 11050936), (26, 8500720), (32, 6906835), (40, 5525468), (52, 4250360), (59, 3746080), (65, 3400288), (80, 2762734), (104, 2125180), (118, 1873040), (130, 1700144), (160, 1381367), (208, 1062590), (236, 936520), (260, 850072), (295, 749216), (416, 531295), (472, 468260), (520, 425036), (590, 374608), (767, 288160), (944, 234130), (1040, 212518), (1180, 187304), (1534, 144080), (1801, 122720), (1888, 117065), (2080, 106259), (2360, 93652), (3068, 72040), (3602, 61360), (3835, 57632), (4720, 46826), (6136, 36020), (7204, 30680), (7670, 28816), (9005, 24544), (9440, 23413), (12272, 18010), (14408, 15340)]