74688420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28949}}^1$

素因数の和:29004

約数の個数: 48

約数和(自身を含む): 213998400

約数和(自身を除く): 139309980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 28949, 57898, 86847, 115796, 144745, 173694, 289490, 347388, 434235, 578980, 868470, 1244807, 1736940, 2489614, 3734421, 4979228, 6224035, 7468842, 12448070, 14937684, 18672105, 24896140, 37344210, 74688420]

約数ペア:

[(1, 74688420), (2, 37344210), (3, 24896140), (4, 18672105), (5, 14937684), (6, 12448070), (10, 7468842), (12, 6224035), (15, 4979228), (20, 3734421), (30, 2489614), (43, 1736940), (60, 1244807), (86, 868470), (129, 578980), (172, 434235), (215, 347388), (258, 289490), (430, 173694), (516, 144745), (645, 115796), (860, 86847), (1290, 57898), (2580, 28949)]