1851960

素因数分解:

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

素因数の和:109

約数の個数: 128

約数和(自身を含む): 6428160

約数和(自身を除く): 4576200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 61, 66, 69, 88, 92, 110, 115, 120, 122, 132, 138, 165, 183, 184, 220, 230, 244, 253, 264, 276, 305, 330, 345, 366, 440, 460, 488, 506, 552, 610, 660, 671, 690, 732, 759, 915, 920, 1012, 1220, 1265, 1320, 1342, 1380, 1403, 1464, 1518, 1830, 2013, 2024, 2440, 2530, 2684, 2760, 2806, 3036, 3355, 3660, 3795, 4026, 4209, 5060, 5368, 5612, 6072, 6710, 7015, 7320, 7590, 8052, 8418, 10065, 10120, 11224, 13420, 14030, 15180, 15433, 16104, 16836, 20130, 21045, 26840, 28060, 30360, 30866, 33672, 40260, 42090, 46299, 56120, 61732, 77165, 80520, 84180, 92598, 123464, 154330, 168360, 185196, 231495, 308660, 370392, 462990, 617320, 925980, 1851960]

約数ペア:

[(1, 1851960), (2, 925980), (3, 617320), (4, 462990), (5, 370392), (6, 308660), (8, 231495), (10, 185196), (11, 168360), (12, 154330), (15, 123464), (20, 92598), (22, 84180), (23, 80520), (24, 77165), (30, 61732), (33, 56120), (40, 46299), (44, 42090), (46, 40260), (55, 33672), (60, 30866), (61, 30360), (66, 28060), (69, 26840), (88, 21045), (92, 20130), (110, 16836), (115, 16104), (120, 15433), (122, 15180), (132, 14030), (138, 13420), (165, 11224), (183, 10120), (184, 10065), (220, 8418), (230, 8052), (244, 7590), (253, 7320), (264, 7015), (276, 6710), (305, 6072), (330, 5612), (345, 5368), (366, 5060), (440, 4209), (460, 4026), (488, 3795), (506, 3660), (552, 3355), (610, 3036), (660, 2806), (671, 2760), (690, 2684), (732, 2530), (759, 2440), (915, 2024), (920, 2013), (1012, 1830), (1220, 1518), (1265, 1464), (1320, 1403), (1342, 1380)]