27678840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 96284160

約数和(自身を除く): 68605320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 397, 415, 420, 498, 581, 664, 794, 830, 840, 996, 1162, 1191, 1245, 1588, 1660, 1743, 1985, 1992, 2324, 2382, 2490, 2779, 2905, 3176, 3320, 3486, 3970, 4648, 4764, 4980, 5558, 5810, 5955, 6972, 7940, 8337, 8715, 9528, 9960, 11116, 11620, 11910, 13895, 13944, 15880, 16674, 17430, 22232, 23240, 23820, 27790, 32951, 33348, 34860, 41685, 47640, 55580, 65902, 66696, 69720, 83370, 98853, 111160, 131804, 164755, 166740, 197706, 230657, 263608, 329510, 333480, 395412, 461314, 494265, 659020, 691971, 790824, 922628, 988530, 1153285, 1318040, 1383942, 1845256, 1977060, 2306570, 2767884, 3459855, 3954120, 4613140, 5535768, 6919710, 9226280, 13839420, 27678840]

約数ペア:

[(1, 27678840), (2, 13839420), (3, 9226280), (4, 6919710), (5, 5535768), (6, 4613140), (7, 3954120), (8, 3459855), (10, 2767884), (12, 2306570), (14, 1977060), (15, 1845256), (20, 1383942), (21, 1318040), (24, 1153285), (28, 988530), (30, 922628), (35, 790824), (40, 691971), (42, 659020), (56, 494265), (60, 461314), (70, 395412), (83, 333480), (84, 329510), (105, 263608), (120, 230657), (140, 197706), (166, 166740), (168, 164755), (210, 131804), (249, 111160), (280, 98853), (332, 83370), (397, 69720), (415, 66696), (420, 65902), (498, 55580), (581, 47640), (664, 41685), (794, 34860), (830, 33348), (840, 32951), (996, 27790), (1162, 23820), (1191, 23240), (1245, 22232), (1588, 17430), (1660, 16674), (1743, 15880), (1985, 13944), (1992, 13895), (2324, 11910), (2382, 11620), (2490, 11116), (2779, 9960), (2905, 9528), (3176, 8715), (3320, 8337), (3486, 7940), (3970, 6972), (4648, 5955), (4764, 5810), (4980, 5558)]