79987560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 254465280

約数和(自身を除く): 174477720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 73, 92, 115, 120, 138, 146, 184, 219, 230, 276, 292, 345, 365, 397, 438, 460, 552, 584, 690, 730, 794, 876, 920, 1095, 1191, 1380, 1460, 1588, 1679, 1752, 1985, 2190, 2382, 2760, 2920, 3176, 3358, 3970, 4380, 4764, 5037, 5955, 6716, 7940, 8395, 8760, 9131, 9528, 10074, 11910, 13432, 15880, 16790, 18262, 20148, 23820, 25185, 27393, 28981, 33580, 36524, 40296, 45655, 47640, 50370, 54786, 57962, 67160, 73048, 86943, 91310, 100740, 109572, 115924, 136965, 144905, 173886, 182620, 201480, 219144, 231848, 273930, 289810, 347772, 365240, 434715, 547860, 579620, 666563, 695544, 869430, 1095720, 1159240, 1333126, 1738860, 1999689, 2666252, 3332815, 3477720, 3999378, 5332504, 6665630, 7998756, 9998445, 13331260, 15997512, 19996890, 26662520, 39993780, 79987560]

約数ペア:

[(1, 79987560), (2, 39993780), (3, 26662520), (4, 19996890), (5, 15997512), (6, 13331260), (8, 9998445), (10, 7998756), (12, 6665630), (15, 5332504), (20, 3999378), (23, 3477720), (24, 3332815), (30, 2666252), (40, 1999689), (46, 1738860), (60, 1333126), (69, 1159240), (73, 1095720), (92, 869430), (115, 695544), (120, 666563), (138, 579620), (146, 547860), (184, 434715), (219, 365240), (230, 347772), (276, 289810), (292, 273930), (345, 231848), (365, 219144), (397, 201480), (438, 182620), (460, 173886), (552, 144905), (584, 136965), (690, 115924), (730, 109572), (794, 100740), (876, 91310), (920, 86943), (1095, 73048), (1191, 67160), (1380, 57962), (1460, 54786), (1588, 50370), (1679, 47640), (1752, 45655), (1985, 40296), (2190, 36524), (2382, 33580), (2760, 28981), (2920, 27393), (3176, 25185), (3358, 23820), (3970, 20148), (4380, 18262), (4764, 16790), (5037, 15880), (5955, 13432), (6716, 11910), (7940, 10074), (8395, 9528), (8760, 9131)]