61207120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 154521360

約数和(自身を除く): 93314240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 229, 257, 260, 458, 514, 520, 916, 1028, 1040, 1145, 1285, 1832, 2056, 2290, 2570, 2977, 3341, 3664, 4112, 4580, 5140, 5954, 6682, 9160, 10280, 11908, 13364, 14885, 16705, 18320, 20560, 23816, 26728, 29770, 33410, 47632, 53456, 58853, 59540, 66820, 117706, 119080, 133640, 235412, 238160, 267280, 294265, 470824, 588530, 765089, 941648, 1177060, 1530178, 2354120, 3060356, 3825445, 4708240, 6120712, 7650890, 12241424, 15301780, 30603560, 61207120]

約数ペア:

[(1, 61207120), (2, 30603560), (4, 15301780), (5, 12241424), (8, 7650890), (10, 6120712), (13, 4708240), (16, 3825445), (20, 3060356), (26, 2354120), (40, 1530178), (52, 1177060), (65, 941648), (80, 765089), (104, 588530), (130, 470824), (208, 294265), (229, 267280), (257, 238160), (260, 235412), (458, 133640), (514, 119080), (520, 117706), (916, 66820), (1028, 59540), (1040, 58853), (1145, 53456), (1285, 47632), (1832, 33410), (2056, 29770), (2290, 26728), (2570, 23816), (2977, 20560), (3341, 18320), (3664, 16705), (4112, 14885), (4580, 13364), (5140, 11908), (5954, 10280), (6682, 9160)]