7990788420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{108541}}^1$

素因数の和:108965

約数の個数: 72

約数和(自身を含む): 24298212120

約数和(自身を除く): 16307423700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 1227, 1636, 2045, 2454, 3681, 4090, 4908, 6135, 7362, 8180, 12270, 14724, 18405, 24540, 36810, 73620, 108541, 217082, 325623, 434164, 542705, 651246, 976869, 1085410, 1302492, 1628115, 1953738, 2170820, 3256230, 3907476, 4884345, 6512460, 9768690, 19537380, 44393269, 88786538, 133179807, 177573076, 221966345, 266359614, 399539421, 443932690, 532719228, 665899035, 799078842, 887865380, 1331798070, 1598157684, 1997697105, 2663596140, 3995394210, 7990788420]

約数ペア:

[(1, 7990788420), (2, 3995394210), (3, 2663596140), (4, 1997697105), (5, 1598157684), (6, 1331798070), (9, 887865380), (10, 799078842), (12, 665899035), (15, 532719228), (18, 443932690), (20, 399539421), (30, 266359614), (36, 221966345), (45, 177573076), (60, 133179807), (90, 88786538), (180, 44393269), (409, 19537380), (818, 9768690), (1227, 6512460), (1636, 4884345), (2045, 3907476), (2454, 3256230), (3681, 2170820), (4090, 1953738), (4908, 1628115), (6135, 1302492), (7362, 1085410), (8180, 976869), (12270, 651246), (14724, 542705), (18405, 434164), (24540, 325623), (36810, 217082), (73620, 108541)]