28656840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5081}}^1$

素因数の和:5142

約数の個数: 64

約数和(自身を含む): 87816960

約数和(自身を除く): 59160120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5081, 5640, 10162, 15243, 20324, 25405, 30486, 40648, 50810, 60972, 76215, 101620, 121944, 152430, 203240, 238807, 304860, 477614, 609720, 716421, 955228, 1194035, 1432842, 1910456, 2388070, 2865684, 3582105, 4776140, 5731368, 7164210, 9552280, 14328420, 28656840]

約数ペア:

[(1, 28656840), (2, 14328420), (3, 9552280), (4, 7164210), (5, 5731368), (6, 4776140), (8, 3582105), (10, 2865684), (12, 2388070), (15, 1910456), (20, 1432842), (24, 1194035), (30, 955228), (40, 716421), (47, 609720), (60, 477614), (94, 304860), (120, 238807), (141, 203240), (188, 152430), (235, 121944), (282, 101620), (376, 76215), (470, 60972), (564, 50810), (705, 40648), (940, 30486), (1128, 25405), (1410, 20324), (1880, 15243), (2820, 10162), (5081, 5640)]