81128550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 211415040

約数和(自身を除く): 130286490

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 73, 75, 93, 146, 150, 155, 186, 219, 239, 310, 365, 438, 465, 478, 717, 730, 775, 930, 1095, 1195, 1434, 1550, 1825, 2190, 2263, 2325, 2390, 3585, 3650, 4526, 4650, 5475, 5975, 6789, 7170, 7409, 10950, 11315, 11950, 13578, 14818, 17447, 17925, 22227, 22630, 33945, 34894, 35850, 37045, 44454, 52341, 56575, 67890, 74090, 87235, 104682, 111135, 113150, 169725, 174470, 185225, 222270, 261705, 339450, 370450, 436175, 523410, 540857, 555675, 872350, 1081714, 1111350, 1308525, 1622571, 2617050, 2704285, 3245142, 5408570, 8112855, 13521425, 16225710, 27042850, 40564275, 81128550]

約数ペア:

[(1, 81128550), (2, 40564275), (3, 27042850), (5, 16225710), (6, 13521425), (10, 8112855), (15, 5408570), (25, 3245142), (30, 2704285), (31, 2617050), (50, 1622571), (62, 1308525), (73, 1111350), (75, 1081714), (93, 872350), (146, 555675), (150, 540857), (155, 523410), (186, 436175), (219, 370450), (239, 339450), (310, 261705), (365, 222270), (438, 185225), (465, 174470), (478, 169725), (717, 113150), (730, 111135), (775, 104682), (930, 87235), (1095, 74090), (1195, 67890), (1434, 56575), (1550, 52341), (1825, 44454), (2190, 37045), (2263, 35850), (2325, 34894), (2390, 33945), (3585, 22630), (3650, 22227), (4526, 17925), (4650, 17447), (5475, 14818), (5975, 13578), (6789, 11950), (7170, 11315), (7409, 10950)]