18036840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 57542400

約数和(自身を除く): 39505560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 71, 73, 87, 116, 120, 142, 145, 146, 174, 213, 219, 232, 284, 290, 292, 348, 355, 365, 426, 435, 438, 568, 580, 584, 696, 710, 730, 852, 870, 876, 1065, 1095, 1160, 1420, 1460, 1704, 1740, 1752, 2059, 2117, 2130, 2190, 2840, 2920, 3480, 4118, 4234, 4260, 4380, 5183, 6177, 6351, 8236, 8468, 8520, 8760, 10295, 10366, 10585, 12354, 12702, 15549, 16472, 16936, 20590, 20732, 21170, 24708, 25404, 25915, 30885, 31098, 31755, 41180, 41464, 42340, 49416, 50808, 51830, 61770, 62196, 63510, 77745, 82360, 84680, 103660, 123540, 124392, 127020, 150307, 155490, 207320, 247080, 254040, 300614, 310980, 450921, 601228, 621960, 751535, 901842, 1202456, 1503070, 1803684, 2254605, 3006140, 3607368, 4509210, 6012280, 9018420, 18036840]

約数ペア:

[(1, 18036840), (2, 9018420), (3, 6012280), (4, 4509210), (5, 3607368), (6, 3006140), (8, 2254605), (10, 1803684), (12, 1503070), (15, 1202456), (20, 901842), (24, 751535), (29, 621960), (30, 601228), (40, 450921), (58, 310980), (60, 300614), (71, 254040), (73, 247080), (87, 207320), (116, 155490), (120, 150307), (142, 127020), (145, 124392), (146, 123540), (174, 103660), (213, 84680), (219, 82360), (232, 77745), (284, 63510), (290, 62196), (292, 61770), (348, 51830), (355, 50808), (365, 49416), (426, 42340), (435, 41464), (438, 41180), (568, 31755), (580, 31098), (584, 30885), (696, 25915), (710, 25404), (730, 24708), (852, 21170), (870, 20732), (876, 20590), (1065, 16936), (1095, 16472), (1160, 15549), (1420, 12702), (1460, 12354), (1704, 10585), (1740, 10366), (1752, 10295), (2059, 8760), (2117, 8520), (2130, 8468), (2190, 8236), (2840, 6351), (2920, 6177), (3480, 5183), (4118, 4380), (4234, 4260)]