64947420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:921

約数の個数: 120

約数和(自身を含む): 208321344

約数和(自身を除く): 143373924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 270, 282, 324, 405, 423, 470, 540, 564, 705, 810, 846, 853, 940, 1269, 1410, 1620, 1692, 1706, 2115, 2538, 2559, 2820, 3412, 3807, 4230, 4265, 5076, 5118, 6345, 7614, 7677, 8460, 8530, 10236, 12690, 12795, 15228, 15354, 17060, 19035, 23031, 25380, 25590, 30708, 38070, 38385, 40091, 46062, 51180, 69093, 76140, 76770, 80182, 92124, 115155, 120273, 138186, 153540, 160364, 200455, 230310, 240546, 276372, 345465, 360819, 400910, 460620, 481092, 601365, 690930, 721638, 801820, 1082457, 1202730, 1381860, 1443276, 1804095, 2164914, 2405460, 3247371, 3608190, 4329828, 5412285, 6494742, 7216380, 10824570, 12989484, 16236855, 21649140, 32473710, 64947420]

約数ペア:

[(1, 64947420), (2, 32473710), (3, 21649140), (4, 16236855), (5, 12989484), (6, 10824570), (9, 7216380), (10, 6494742), (12, 5412285), (15, 4329828), (18, 3608190), (20, 3247371), (27, 2405460), (30, 2164914), (36, 1804095), (45, 1443276), (47, 1381860), (54, 1202730), (60, 1082457), (81, 801820), (90, 721638), (94, 690930), (108, 601365), (135, 481092), (141, 460620), (162, 400910), (180, 360819), (188, 345465), (235, 276372), (270, 240546), (282, 230310), (324, 200455), (405, 160364), (423, 153540), (470, 138186), (540, 120273), (564, 115155), (705, 92124), (810, 80182), (846, 76770), (853, 76140), (940, 69093), (1269, 51180), (1410, 46062), (1620, 40091), (1692, 38385), (1706, 38070), (2115, 30708), (2538, 25590), (2559, 25380), (2820, 23031), (3412, 19035), (3807, 17060), (4230, 15354), (4265, 15228), (5076, 12795), (5118, 12690), (6345, 10236), (7614, 8530), (7677, 8460)]