71451280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 175417344

約数和(自身を除く): 103966064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 613, 620, 752, 940, 1226, 1240, 1457, 1880, 2452, 2480, 2914, 3065, 3760, 4904, 5828, 6130, 7285, 9808, 11656, 12260, 14570, 19003, 23312, 24520, 28811, 29140, 38006, 49040, 57622, 58280, 76012, 95015, 115244, 116560, 144055, 152024, 190030, 230488, 288110, 304048, 380060, 460976, 576220, 760120, 893141, 1152440, 1520240, 1786282, 2304880, 3572564, 4465705, 7145128, 8931410, 14290256, 17862820, 35725640, 71451280]

約数ペア:

[(1, 71451280), (2, 35725640), (4, 17862820), (5, 14290256), (8, 8931410), (10, 7145128), (16, 4465705), (20, 3572564), (31, 2304880), (40, 1786282), (47, 1520240), (62, 1152440), (80, 893141), (94, 760120), (124, 576220), (155, 460976), (188, 380060), (235, 304048), (248, 288110), (310, 230488), (376, 190030), (470, 152024), (496, 144055), (613, 116560), (620, 115244), (752, 95015), (940, 76012), (1226, 58280), (1240, 57622), (1457, 49040), (1880, 38006), (2452, 29140), (2480, 28811), (2914, 24520), (3065, 23312), (3760, 19003), (4904, 14570), (5828, 12260), (6130, 11656), (7285, 9808)]