66461620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 157046400

約数和(自身を除く): 90584780

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 37, 38, 58, 74, 76, 95, 116, 145, 148, 163, 185, 190, 290, 326, 370, 380, 551, 580, 652, 703, 740, 815, 1073, 1102, 1406, 1630, 2146, 2204, 2755, 2812, 3097, 3260, 3515, 4292, 4727, 5365, 5510, 6031, 6194, 7030, 9454, 10730, 11020, 12062, 12388, 14060, 15485, 18908, 20387, 21460, 23635, 24124, 30155, 30970, 40774, 47270, 60310, 61940, 81548, 89813, 94540, 101935, 114589, 120620, 174899, 179626, 203870, 229178, 349798, 359252, 407740, 449065, 458356, 572945, 699596, 874495, 898130, 1145890, 1748990, 1796260, 2291780, 3323081, 3497980, 6646162, 13292324, 16615405, 33230810, 66461620]

約数ペア:

[(1, 66461620), (2, 33230810), (4, 16615405), (5, 13292324), (10, 6646162), (19, 3497980), (20, 3323081), (29, 2291780), (37, 1796260), (38, 1748990), (58, 1145890), (74, 898130), (76, 874495), (95, 699596), (116, 572945), (145, 458356), (148, 449065), (163, 407740), (185, 359252), (190, 349798), (290, 229178), (326, 203870), (370, 179626), (380, 174899), (551, 120620), (580, 114589), (652, 101935), (703, 94540), (740, 89813), (815, 81548), (1073, 61940), (1102, 60310), (1406, 47270), (1630, 40774), (2146, 30970), (2204, 30155), (2755, 24124), (2812, 23635), (3097, 21460), (3260, 20387), (3515, 18908), (4292, 15485), (4727, 14060), (5365, 12388), (5510, 12062), (6031, 11020), (6194, 10730), (7030, 9454)]