19501560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 70741440

約数和(自身を除く): 51239880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 463, 468, 520, 540, 585, 648, 702, 780, 810, 926, 936, 1053, 1080, 1170, 1389, 1404, 1560, 1620, 1755, 1852, 2106, 2315, 2340, 2778, 2808, 3240, 3510, 3704, 4167, 4212, 4630, 4680, 5265, 5556, 6019, 6945, 7020, 8334, 8424, 9260, 10530, 11112, 12038, 12501, 13890, 14040, 16668, 18057, 18520, 20835, 21060, 24076, 25002, 27780, 30095, 33336, 36114, 37503, 41670, 42120, 48152, 50004, 54171, 55560, 60190, 62505, 72228, 75006, 83340, 90285, 100008, 108342, 120380, 125010, 144456, 150012, 162513, 166680, 180570, 187515, 216684, 240760, 250020, 270855, 300024, 325026, 361140, 375030, 433368, 487539, 500040, 541710, 650052, 722280, 750060, 812565, 975078, 1083420, 1300104, 1500120, 1625130, 1950156, 2166840, 2437695, 3250260, 3900312, 4875390, 6500520, 9750780, 19501560]

約数ペア:

[(1, 19501560), (2, 9750780), (3, 6500520), (4, 4875390), (5, 3900312), (6, 3250260), (8, 2437695), (9, 2166840), (10, 1950156), (12, 1625130), (13, 1500120), (15, 1300104), (18, 1083420), (20, 975078), (24, 812565), (26, 750060), (27, 722280), (30, 650052), (36, 541710), (39, 500040), (40, 487539), (45, 433368), (52, 375030), (54, 361140), (60, 325026), (65, 300024), (72, 270855), (78, 250020), (81, 240760), (90, 216684), (104, 187515), (108, 180570), (117, 166680), (120, 162513), (130, 150012), (135, 144456), (156, 125010), (162, 120380), (180, 108342), (195, 100008), (216, 90285), (234, 83340), (260, 75006), (270, 72228), (312, 62505), (324, 60190), (351, 55560), (360, 54171), (390, 50004), (405, 48152), (463, 42120), (468, 41670), (520, 37503), (540, 36114), (585, 33336), (648, 30095), (702, 27780), (780, 25002), (810, 24076), (926, 21060), (936, 20835), (1053, 18520), (1080, 18057), (1170, 16668), (1389, 14040), (1404, 13890), (1560, 12501), (1620, 12038), (1755, 11112), (1852, 10530), (2106, 9260), (2315, 8424), (2340, 8334), (2778, 7020), (2808, 6945), (3240, 6019), (3510, 5556), (3704, 5265), (4167, 4680), (4212, 4630)]