128520390540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{1244629}}^1$

素因数の和:1246362

約数の個数: 48

約数和(自身を含む): 360066480480

約数和(自身を除く): 231546089940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1721, 3442, 5163, 6884, 8605, 10326, 17210, 20652, 25815, 34420, 51630, 103260, 1244629, 2489258, 3733887, 4978516, 6223145, 7467774, 12446290, 14935548, 18669435, 24892580, 37338870, 74677740, 2142006509, 4284013018, 6426019527, 8568026036, 10710032545, 12852039054, 21420065090, 25704078108, 32130097635, 42840130180, 64260195270, 128520390540]

約数ペア:

[(1, 128520390540), (2, 64260195270), (3, 42840130180), (4, 32130097635), (5, 25704078108), (6, 21420065090), (10, 12852039054), (12, 10710032545), (15, 8568026036), (20, 6426019527), (30, 4284013018), (60, 2142006509), (1721, 74677740), (3442, 37338870), (5163, 24892580), (6884, 18669435), (8605, 14935548), (10326, 12446290), (17210, 7467774), (20652, 6223145), (25815, 4978516), (34420, 3733887), (51630, 2489258), (103260, 1244629)]