9959820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^2$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 30300816

約数和(自身を除く): 20340996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 113, 130, 156, 195, 226, 260, 339, 390, 452, 565, 678, 780, 1130, 1356, 1469, 1695, 2260, 2938, 3390, 4407, 5876, 6780, 7345, 8814, 12769, 14690, 17628, 22035, 25538, 29380, 38307, 44070, 51076, 63845, 76614, 88140, 127690, 153228, 165997, 191535, 255380, 331994, 383070, 497991, 663988, 766140, 829985, 995982, 1659970, 1991964, 2489955, 3319940, 4979910, 9959820]

約数ペア:

[(1, 9959820), (2, 4979910), (3, 3319940), (4, 2489955), (5, 1991964), (6, 1659970), (10, 995982), (12, 829985), (13, 766140), (15, 663988), (20, 497991), (26, 383070), (30, 331994), (39, 255380), (52, 191535), (60, 165997), (65, 153228), (78, 127690), (113, 88140), (130, 76614), (156, 63845), (195, 51076), (226, 44070), (260, 38307), (339, 29380), (390, 25538), (452, 22035), (565, 17628), (678, 14690), (780, 12769), (1130, 8814), (1356, 7345), (1469, 6780), (1695, 5876), (2260, 4407), (2938, 3390)]