617320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 64

約数和(自身を含む): 1607040

約数和(自身を除く): 989720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 61, 88, 92, 110, 115, 122, 184, 220, 230, 244, 253, 305, 440, 460, 488, 506, 610, 671, 920, 1012, 1220, 1265, 1342, 1403, 2024, 2440, 2530, 2684, 2806, 3355, 5060, 5368, 5612, 6710, 7015, 10120, 11224, 13420, 14030, 15433, 26840, 28060, 30866, 56120, 61732, 77165, 123464, 154330, 308660, 617320]

約数ペア:

[(1, 617320), (2, 308660), (4, 154330), (5, 123464), (8, 77165), (10, 61732), (11, 56120), (20, 30866), (22, 28060), (23, 26840), (40, 15433), (44, 14030), (46, 13420), (55, 11224), (61, 10120), (88, 7015), (92, 6710), (110, 5612), (115, 5368), (122, 5060), (184, 3355), (220, 2806), (230, 2684), (244, 2530), (253, 2440), (305, 2024), (440, 1403), (460, 1342), (488, 1265), (506, 1220), (610, 1012), (671, 920)]