15642380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3539}}^1$

素因数の和:3578

約数の個数: 48

約数和(自身を含む): 37467360

約数和(自身を除く): 21824980

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 3539, 4420, 7078, 14156, 17695, 35390, 46007, 60163, 70780, 92014, 120326, 184028, 230035, 240652, 300815, 460070, 601630, 782119, 920140, 1203260, 1564238, 3128476, 3910595, 7821190, 15642380]

約数ペア:

[(1, 15642380), (2, 7821190), (4, 3910595), (5, 3128476), (10, 1564238), (13, 1203260), (17, 920140), (20, 782119), (26, 601630), (34, 460070), (52, 300815), (65, 240652), (68, 230035), (85, 184028), (130, 120326), (170, 92014), (221, 70780), (260, 60163), (340, 46007), (442, 35390), (884, 17695), (1105, 14156), (2210, 7078), (3539, 4420)]