81274620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11383}}^1$

素因数の和:11419

約数の個数: 96

約数和(自身を含む): 275401728

約数和(自身を除く): 194127108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 11383, 22766, 34149, 45532, 56915, 68298, 79681, 113830, 136596, 159362, 170745, 193511, 227660, 239043, 318724, 341490, 387022, 398405, 478086, 580533, 682980, 774044, 796810, 956172, 967555, 1161066, 1195215, 1354577, 1593620, 1935110, 2322132, 2390430, 2709154, 2902665, 3870220, 4063731, 4780860, 5418308, 5805330, 6772885, 8127462, 11610660, 13545770, 16254924, 20318655, 27091540, 40637310, 81274620]

約数ペア:

[(1, 81274620), (2, 40637310), (3, 27091540), (4, 20318655), (5, 16254924), (6, 13545770), (7, 11610660), (10, 8127462), (12, 6772885), (14, 5805330), (15, 5418308), (17, 4780860), (20, 4063731), (21, 3870220), (28, 2902665), (30, 2709154), (34, 2390430), (35, 2322132), (42, 1935110), (51, 1593620), (60, 1354577), (68, 1195215), (70, 1161066), (84, 967555), (85, 956172), (102, 796810), (105, 774044), (119, 682980), (140, 580533), (170, 478086), (204, 398405), (210, 387022), (238, 341490), (255, 318724), (340, 239043), (357, 227660), (420, 193511), (476, 170745), (510, 159362), (595, 136596), (714, 113830), (1020, 79681), (1190, 68298), (1428, 56915), (1785, 45532), (2380, 34149), (3570, 22766), (7140, 11383)]