80260020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 254741760

約数和(自身を除く): 174481740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 53, 60, 90, 94, 106, 141, 159, 179, 180, 188, 212, 235, 265, 282, 318, 358, 423, 470, 477, 530, 537, 564, 636, 705, 716, 795, 846, 895, 940, 954, 1060, 1074, 1410, 1590, 1611, 1692, 1790, 1908, 2115, 2148, 2385, 2491, 2685, 2820, 3180, 3222, 3580, 4230, 4770, 4982, 5370, 6444, 7473, 8055, 8413, 8460, 9487, 9540, 9964, 10740, 12455, 14946, 16110, 16826, 18974, 22419, 24910, 25239, 28461, 29892, 32220, 33652, 37365, 37948, 42065, 44838, 47435, 49820, 50478, 56922, 74730, 75717, 84130, 85383, 89676, 94870, 100956, 112095, 113844, 126195, 142305, 149460, 151434, 168260, 170766, 189740, 224190, 252390, 284610, 302868, 341532, 378585, 426915, 445889, 448380, 504780, 569220, 757170, 853830, 891778, 1337667, 1514340, 1707660, 1783556, 2229445, 2675334, 4013001, 4458890, 5350668, 6688335, 8026002, 8917780, 13376670, 16052004, 20065005, 26753340, 40130010, 80260020]

約数ペア:

[(1, 80260020), (2, 40130010), (3, 26753340), (4, 20065005), (5, 16052004), (6, 13376670), (9, 8917780), (10, 8026002), (12, 6688335), (15, 5350668), (18, 4458890), (20, 4013001), (30, 2675334), (36, 2229445), (45, 1783556), (47, 1707660), (53, 1514340), (60, 1337667), (90, 891778), (94, 853830), (106, 757170), (141, 569220), (159, 504780), (179, 448380), (180, 445889), (188, 426915), (212, 378585), (235, 341532), (265, 302868), (282, 284610), (318, 252390), (358, 224190), (423, 189740), (470, 170766), (477, 168260), (530, 151434), (537, 149460), (564, 142305), (636, 126195), (705, 113844), (716, 112095), (795, 100956), (846, 94870), (895, 89676), (940, 85383), (954, 84130), (1060, 75717), (1074, 74730), (1410, 56922), (1590, 50478), (1611, 49820), (1692, 47435), (1790, 44838), (1908, 42065), (2115, 37948), (2148, 37365), (2385, 33652), (2491, 32220), (2685, 29892), (2820, 28461), (3180, 25239), (3222, 24910), (3580, 22419), (4230, 18974), (4770, 16826), (4982, 16110), (5370, 14946), (6444, 12455), (7473, 10740), (8055, 9964), (8413, 9540), (8460, 9487)]