78513720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28447}}^1$

素因数の和:28484

約数の個数: 64

約数和(自身を含む): 245790720

約数和(自身を除く): 167277000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 28447, 56894, 85341, 113788, 142235, 170682, 227576, 284470, 341364, 426705, 568940, 654281, 682728, 853410, 1137880, 1308562, 1706820, 1962843, 2617124, 3271405, 3413640, 3925686, 5234248, 6542810, 7851372, 9814215, 13085620, 15702744, 19628430, 26171240, 39256860, 78513720]

約数ペア:

[(1, 78513720), (2, 39256860), (3, 26171240), (4, 19628430), (5, 15702744), (6, 13085620), (8, 9814215), (10, 7851372), (12, 6542810), (15, 5234248), (20, 3925686), (23, 3413640), (24, 3271405), (30, 2617124), (40, 1962843), (46, 1706820), (60, 1308562), (69, 1137880), (92, 853410), (115, 682728), (120, 654281), (138, 568940), (184, 426705), (230, 341364), (276, 284470), (345, 227576), (460, 170682), (552, 142235), (690, 113788), (920, 85341), (1380, 56894), (2760, 28447)]