648642780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{156677}}^1$

素因数の和:156715

約数の個数: 72

約数和(自身を含む): 2053108512

約数和(自身を除く): 1404465732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 156677, 313354, 470031, 626708, 783385, 940062, 1410093, 1566770, 1880124, 2350155, 2820186, 3133540, 3603571, 4700310, 5640372, 7050465, 7207142, 9400620, 10810713, 14100930, 14414284, 18017855, 21621426, 28201860, 32432139, 36035710, 43242852, 54053565, 64864278, 72071420, 108107130, 129728556, 162160695, 216214260, 324321390, 648642780]

約数ペア:

[(1, 648642780), (2, 324321390), (3, 216214260), (4, 162160695), (5, 129728556), (6, 108107130), (9, 72071420), (10, 64864278), (12, 54053565), (15, 43242852), (18, 36035710), (20, 32432139), (23, 28201860), (30, 21621426), (36, 18017855), (45, 14414284), (46, 14100930), (60, 10810713), (69, 9400620), (90, 7207142), (92, 7050465), (115, 5640372), (138, 4700310), (180, 3603571), (207, 3133540), (230, 2820186), (276, 2350155), (345, 1880124), (414, 1566770), (460, 1410093), (690, 940062), (828, 783385), (1035, 626708), (1380, 470031), (2070, 313354), (4140, 156677)]