66569880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 128

約数和(自身を含む): 217324800

約数和(自身を除く): 150754920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 139, 156, 195, 260, 278, 307, 312, 390, 417, 520, 556, 614, 695, 780, 834, 921, 1112, 1228, 1390, 1535, 1560, 1668, 1807, 1842, 2085, 2456, 2780, 3070, 3336, 3614, 3684, 3991, 4170, 4605, 5421, 5560, 6140, 7228, 7368, 7982, 8340, 9035, 9210, 10842, 11973, 12280, 14456, 15964, 16680, 18070, 18420, 19955, 21684, 23946, 27105, 31928, 36140, 36840, 39910, 42673, 43368, 47892, 54210, 59865, 72280, 79820, 85346, 95784, 108420, 119730, 128019, 159640, 170692, 213365, 216840, 239460, 256038, 341384, 426730, 478920, 512076, 554749, 640095, 853460, 1024152, 1109498, 1280190, 1664247, 1706920, 2218996, 2560380, 2773745, 3328494, 4437992, 5120760, 5547490, 6656988, 8321235, 11094980, 13313976, 16642470, 22189960, 33284940, 66569880]

約数ペア:

[(1, 66569880), (2, 33284940), (3, 22189960), (4, 16642470), (5, 13313976), (6, 11094980), (8, 8321235), (10, 6656988), (12, 5547490), (13, 5120760), (15, 4437992), (20, 3328494), (24, 2773745), (26, 2560380), (30, 2218996), (39, 1706920), (40, 1664247), (52, 1280190), (60, 1109498), (65, 1024152), (78, 853460), (104, 640095), (120, 554749), (130, 512076), (139, 478920), (156, 426730), (195, 341384), (260, 256038), (278, 239460), (307, 216840), (312, 213365), (390, 170692), (417, 159640), (520, 128019), (556, 119730), (614, 108420), (695, 95784), (780, 85346), (834, 79820), (921, 72280), (1112, 59865), (1228, 54210), (1390, 47892), (1535, 43368), (1560, 42673), (1668, 39910), (1807, 36840), (1842, 36140), (2085, 31928), (2456, 27105), (2780, 23946), (3070, 21684), (3336, 19955), (3614, 18420), (3684, 18070), (3991, 16680), (4170, 15964), (4605, 14456), (5421, 12280), (5560, 11973), (6140, 10842), (7228, 9210), (7368, 9035), (7982, 8340)]