1234640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 80

約数和(自身を含む): 3321216

約数和(自身を除く): 2086576

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 61, 80, 88, 92, 110, 115, 122, 176, 184, 220, 230, 244, 253, 305, 368, 440, 460, 488, 506, 610, 671, 880, 920, 976, 1012, 1220, 1265, 1342, 1403, 1840, 2024, 2440, 2530, 2684, 2806, 3355, 4048, 4880, 5060, 5368, 5612, 6710, 7015, 10120, 10736, 11224, 13420, 14030, 15433, 20240, 22448, 26840, 28060, 30866, 53680, 56120, 61732, 77165, 112240, 123464, 154330, 246928, 308660, 617320, 1234640]

約数ペア:

[(1, 1234640), (2, 617320), (4, 308660), (5, 246928), (8, 154330), (10, 123464), (11, 112240), (16, 77165), (20, 61732), (22, 56120), (23, 53680), (40, 30866), (44, 28060), (46, 26840), (55, 22448), (61, 20240), (80, 15433), (88, 14030), (92, 13420), (110, 11224), (115, 10736), (122, 10120), (176, 7015), (184, 6710), (220, 5612), (230, 5368), (244, 5060), (253, 4880), (305, 4048), (368, 3355), (440, 2806), (460, 2684), (488, 2530), (506, 2440), (610, 2024), (671, 1840), (880, 1403), (920, 1342), (976, 1265), (1012, 1220)]