81970080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:846

約数の個数: 96

約数和(自身を含む): 259459200

約数和(自身を除く): 177489120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 389, 439, 480, 778, 878, 1167, 1317, 1556, 1756, 1945, 2195, 2334, 2634, 3112, 3512, 3890, 4390, 4668, 5268, 5835, 6224, 6585, 7024, 7780, 8780, 9336, 10536, 11670, 12448, 13170, 14048, 15560, 17560, 18672, 21072, 23340, 26340, 31120, 35120, 37344, 42144, 46680, 52680, 62240, 70240, 93360, 105360, 170771, 186720, 210720, 341542, 512313, 683084, 853855, 1024626, 1366168, 1707710, 2049252, 2561565, 2732336, 3415420, 4098504, 5123130, 5464672, 6830840, 8197008, 10246260, 13661680, 16394016, 20492520, 27323360, 40985040, 81970080]

約数ペア:

[(1, 81970080), (2, 40985040), (3, 27323360), (4, 20492520), (5, 16394016), (6, 13661680), (8, 10246260), (10, 8197008), (12, 6830840), (15, 5464672), (16, 5123130), (20, 4098504), (24, 3415420), (30, 2732336), (32, 2561565), (40, 2049252), (48, 1707710), (60, 1366168), (80, 1024626), (96, 853855), (120, 683084), (160, 512313), (240, 341542), (389, 210720), (439, 186720), (480, 170771), (778, 105360), (878, 93360), (1167, 70240), (1317, 62240), (1556, 52680), (1756, 46680), (1945, 42144), (2195, 37344), (2334, 35120), (2634, 31120), (3112, 26340), (3512, 23340), (3890, 21072), (4390, 18672), (4668, 17560), (5268, 15560), (5835, 14048), (6224, 13170), (6585, 12448), (7024, 11670), (7780, 10536), (8780, 9336)]