20641230

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1499}}^1$

素因数の和:1535

約数の個数: 80

約数和(自身を含む): 58806000

約数和(自身を除く): 38164770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 81, 85, 90, 102, 135, 153, 162, 170, 255, 270, 306, 405, 459, 510, 765, 810, 918, 1377, 1499, 1530, 2295, 2754, 2998, 4497, 4590, 6885, 7495, 8994, 13491, 13770, 14990, 22485, 25483, 26982, 40473, 44970, 50966, 67455, 76449, 80946, 121419, 127415, 134910, 152898, 202365, 229347, 242838, 254830, 382245, 404730, 458694, 607095, 688041, 764490, 1146735, 1214190, 1376082, 2064123, 2293470, 3440205, 4128246, 6880410, 10320615, 20641230]

約数ペア:

[(1, 20641230), (2, 10320615), (3, 6880410), (5, 4128246), (6, 3440205), (9, 2293470), (10, 2064123), (15, 1376082), (17, 1214190), (18, 1146735), (27, 764490), (30, 688041), (34, 607095), (45, 458694), (51, 404730), (54, 382245), (81, 254830), (85, 242838), (90, 229347), (102, 202365), (135, 152898), (153, 134910), (162, 127415), (170, 121419), (255, 80946), (270, 76449), (306, 67455), (405, 50966), (459, 44970), (510, 40473), (765, 26982), (810, 25483), (918, 22485), (1377, 14990), (1499, 13770), (1530, 13491), (2295, 8994), (2754, 7495), (2998, 6885), (4497, 4590)]