154191440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{857}}^1$

素因数の和:1056

約数の個数: 80

約数和(自身を含む): 388756368

約数和(自身を除く): 234564928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 173, 208, 260, 346, 520, 692, 857, 865, 1040, 1384, 1714, 1730, 2249, 2768, 3428, 3460, 4285, 4498, 6856, 6920, 8570, 8996, 11141, 11245, 13712, 13840, 17140, 17992, 22282, 22490, 34280, 35984, 44564, 44980, 55705, 68560, 89128, 89960, 111410, 148261, 178256, 179920, 222820, 296522, 445640, 593044, 741305, 891280, 1186088, 1482610, 1927393, 2372176, 2965220, 3854786, 5930440, 7709572, 9636965, 11860880, 15419144, 19273930, 30838288, 38547860, 77095720, 154191440]

約数ペア:

[(1, 154191440), (2, 77095720), (4, 38547860), (5, 30838288), (8, 19273930), (10, 15419144), (13, 11860880), (16, 9636965), (20, 7709572), (26, 5930440), (40, 3854786), (52, 2965220), (65, 2372176), (80, 1927393), (104, 1482610), (130, 1186088), (173, 891280), (208, 741305), (260, 593044), (346, 445640), (520, 296522), (692, 222820), (857, 179920), (865, 178256), (1040, 148261), (1384, 111410), (1714, 89960), (1730, 89128), (2249, 68560), (2768, 55705), (3428, 44980), (3460, 44564), (4285, 35984), (4498, 34280), (6856, 22490), (6920, 22282), (8570, 17992), (8996, 17140), (11141, 13840), (11245, 13712)]