78912420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^2$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 225091776

約数和(自身を除く): 146179356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 113, 206, 226, 309, 339, 412, 452, 515, 565, 618, 678, 1030, 1130, 1236, 1356, 1545, 1695, 2060, 2260, 3090, 3390, 6180, 6780, 11639, 12769, 23278, 25538, 34917, 38307, 46556, 51076, 58195, 63845, 69834, 76614, 116390, 127690, 139668, 153228, 174585, 191535, 232780, 255380, 349170, 383070, 698340, 766140, 1315207, 2630414, 3945621, 5260828, 6576035, 7891242, 13152070, 15782484, 19728105, 26304140, 39456210, 78912420]

約数ペア:

[(1, 78912420), (2, 39456210), (3, 26304140), (4, 19728105), (5, 15782484), (6, 13152070), (10, 7891242), (12, 6576035), (15, 5260828), (20, 3945621), (30, 2630414), (60, 1315207), (103, 766140), (113, 698340), (206, 383070), (226, 349170), (309, 255380), (339, 232780), (412, 191535), (452, 174585), (515, 153228), (565, 139668), (618, 127690), (678, 116390), (1030, 76614), (1130, 69834), (1236, 63845), (1356, 58195), (1545, 51076), (1695, 46556), (2060, 38307), (2260, 34917), (3090, 25538), (3390, 23278), (6180, 12769), (6780, 11639)]