154288520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1709}}^1$

素因数の和:1818

約数の個数: 64

約数和(自身を含む): 362588400

約数和(自身を除く): 208299880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 740, 1220, 1480, 1709, 2257, 2440, 3418, 4514, 6836, 8545, 9028, 11285, 13672, 17090, 18056, 22570, 34180, 45140, 63233, 68360, 90280, 104249, 126466, 208498, 252932, 316165, 416996, 505864, 521245, 632330, 833992, 1042490, 1264660, 2084980, 2529320, 3857213, 4169960, 7714426, 15428852, 19286065, 30857704, 38572130, 77144260, 154288520]

約数ペア:

[(1, 154288520), (2, 77144260), (4, 38572130), (5, 30857704), (8, 19286065), (10, 15428852), (20, 7714426), (37, 4169960), (40, 3857213), (61, 2529320), (74, 2084980), (122, 1264660), (148, 1042490), (185, 833992), (244, 632330), (296, 521245), (305, 505864), (370, 416996), (488, 316165), (610, 252932), (740, 208498), (1220, 126466), (1480, 104249), (1709, 90280), (2257, 68360), (2440, 63233), (3418, 45140), (4514, 34180), (6836, 22570), (8545, 18056), (9028, 17090), (11285, 13672)]