19751580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:560

約数の個数: 96

約数和(自身を含む): 62361600

約数和(自身を除く): 42610020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 90, 108, 135, 158, 180, 237, 270, 316, 395, 463, 474, 540, 711, 790, 926, 948, 1185, 1389, 1422, 1580, 1852, 2133, 2315, 2370, 2778, 2844, 3555, 4167, 4266, 4630, 4740, 5556, 6945, 7110, 8334, 8532, 9260, 10665, 12501, 13890, 14220, 16668, 20835, 21330, 25002, 27780, 36577, 41670, 42660, 50004, 62505, 73154, 83340, 109731, 125010, 146308, 182885, 219462, 250020, 329193, 365770, 438924, 548655, 658386, 731540, 987579, 1097310, 1316772, 1645965, 1975158, 2194620, 3291930, 3950316, 4937895, 6583860, 9875790, 19751580]

約数ペア:

[(1, 19751580), (2, 9875790), (3, 6583860), (4, 4937895), (5, 3950316), (6, 3291930), (9, 2194620), (10, 1975158), (12, 1645965), (15, 1316772), (18, 1097310), (20, 987579), (27, 731540), (30, 658386), (36, 548655), (45, 438924), (54, 365770), (60, 329193), (79, 250020), (90, 219462), (108, 182885), (135, 146308), (158, 125010), (180, 109731), (237, 83340), (270, 73154), (316, 62505), (395, 50004), (463, 42660), (474, 41670), (540, 36577), (711, 27780), (790, 25002), (926, 21330), (948, 20835), (1185, 16668), (1389, 14220), (1422, 13890), (1580, 12501), (1852, 10665), (2133, 9260), (2315, 8532), (2370, 8334), (2778, 7110), (2844, 6945), (3555, 5556), (4167, 4740), (4266, 4630)]