55771920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1181

約数の個数: 120

約数和(自身を含む): 190112832

約数和(自身を除く): 134340912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1091, 1136, 1278, 1420, 1704, 2130, 2182, 2556, 2840, 3195, 3273, 3408, 4260, 4364, 5112, 5455, 5680, 6390, 6546, 8520, 8728, 9819, 10224, 10910, 12780, 13092, 16365, 17040, 17456, 19638, 21820, 25560, 26184, 32730, 39276, 43640, 49095, 51120, 52368, 65460, 77461, 78552, 87280, 98190, 130920, 154922, 157104, 196380, 232383, 261840, 309844, 387305, 392760, 464766, 619688, 697149, 774610, 785520, 929532, 1161915, 1239376, 1394298, 1549220, 1859064, 2323830, 2788596, 3098440, 3485745, 3718128, 4647660, 5577192, 6196880, 6971490, 9295320, 11154384, 13942980, 18590640, 27885960, 55771920]

約数ペア:

[(1, 55771920), (2, 27885960), (3, 18590640), (4, 13942980), (5, 11154384), (6, 9295320), (8, 6971490), (9, 6196880), (10, 5577192), (12, 4647660), (15, 3718128), (16, 3485745), (18, 3098440), (20, 2788596), (24, 2323830), (30, 1859064), (36, 1549220), (40, 1394298), (45, 1239376), (48, 1161915), (60, 929532), (71, 785520), (72, 774610), (80, 697149), (90, 619688), (120, 464766), (142, 392760), (144, 387305), (180, 309844), (213, 261840), (240, 232383), (284, 196380), (355, 157104), (360, 154922), (426, 130920), (568, 98190), (639, 87280), (710, 78552), (720, 77461), (852, 65460), (1065, 52368), (1091, 51120), (1136, 49095), (1278, 43640), (1420, 39276), (1704, 32730), (2130, 26184), (2182, 25560), (2556, 21820), (2840, 19638), (3195, 17456), (3273, 17040), (3408, 16365), (4260, 13092), (4364, 12780), (5112, 10910), (5455, 10224), (5680, 9819), (6390, 8728), (6546, 8520)]