144873680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{258703}}^1$

素因数の和:258723

約数の個数: 40

約数和(自身を含む): 384951552

約数和(自身を除く): 240077872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 258703, 517406, 1034812, 1293515, 1810921, 2069624, 2587030, 3621842, 4139248, 5174060, 7243684, 9054605, 10348120, 14487368, 18109210, 20696240, 28974736, 36218420, 72436840, 144873680]

約数ペア:

[(1, 144873680), (2, 72436840), (4, 36218420), (5, 28974736), (7, 20696240), (8, 18109210), (10, 14487368), (14, 10348120), (16, 9054605), (20, 7243684), (28, 5174060), (35, 4139248), (40, 3621842), (56, 2587030), (70, 2069624), (80, 1810921), (112, 1293515), (140, 1034812), (280, 517406), (560, 258703)]