81805260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 244661760

約数和(自身を除く): 162856500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 73, 76, 95, 114, 146, 190, 219, 228, 285, 292, 365, 380, 438, 570, 730, 876, 983, 1095, 1140, 1387, 1460, 1966, 2190, 2774, 2949, 3932, 4161, 4380, 4915, 5548, 5898, 6935, 8322, 9830, 11796, 13870, 14745, 16644, 18677, 19660, 20805, 27740, 29490, 37354, 41610, 56031, 58980, 71759, 74708, 83220, 93385, 112062, 143518, 186770, 215277, 224124, 280155, 287036, 358795, 373540, 430554, 560310, 717590, 861108, 1076385, 1120620, 1363421, 1435180, 2152770, 2726842, 4090263, 4305540, 5453684, 6817105, 8180526, 13634210, 16361052, 20451315, 27268420, 40902630, 81805260]

約数ペア:

[(1, 81805260), (2, 40902630), (3, 27268420), (4, 20451315), (5, 16361052), (6, 13634210), (10, 8180526), (12, 6817105), (15, 5453684), (19, 4305540), (20, 4090263), (30, 2726842), (38, 2152770), (57, 1435180), (60, 1363421), (73, 1120620), (76, 1076385), (95, 861108), (114, 717590), (146, 560310), (190, 430554), (219, 373540), (228, 358795), (285, 287036), (292, 280155), (365, 224124), (380, 215277), (438, 186770), (570, 143518), (730, 112062), (876, 93385), (983, 83220), (1095, 74708), (1140, 71759), (1387, 58980), (1460, 56031), (1966, 41610), (2190, 37354), (2774, 29490), (2949, 27740), (3932, 20805), (4161, 19660), (4380, 18677), (4915, 16644), (5548, 14745), (5898, 13870), (6935, 11796), (8322, 9830)]