81264480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15391}}^1$

素因数の和:15420

約数の個数: 96

約数和(自身を含む): 279272448

約数和(自身を除く): 198007968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 5280, 15391, 30782, 46173, 61564, 76955, 92346, 123128, 153910, 169301, 184692, 230865, 246256, 307820, 338602, 369384, 461730, 492512, 507903, 615640, 677204, 738768, 846505, 923460, 1015806, 1231280, 1354408, 1477536, 1693010, 1846920, 2031612, 2462560, 2539515, 2708816, 3386020, 3693840, 4063224, 5079030, 5417632, 6772040, 7387680, 8126448, 10158060, 13544080, 16252896, 20316120, 27088160, 40632240, 81264480]

約数ペア:

[(1, 81264480), (2, 40632240), (3, 27088160), (4, 20316120), (5, 16252896), (6, 13544080), (8, 10158060), (10, 8126448), (11, 7387680), (12, 6772040), (15, 5417632), (16, 5079030), (20, 4063224), (22, 3693840), (24, 3386020), (30, 2708816), (32, 2539515), (33, 2462560), (40, 2031612), (44, 1846920), (48, 1693010), (55, 1477536), (60, 1354408), (66, 1231280), (80, 1015806), (88, 923460), (96, 846505), (110, 738768), (120, 677204), (132, 615640), (160, 507903), (165, 492512), (176, 461730), (220, 369384), (240, 338602), (264, 307820), (330, 246256), (352, 230865), (440, 184692), (480, 169301), (528, 153910), (660, 123128), (880, 92346), (1056, 76955), (1320, 61564), (1760, 46173), (2640, 30782), (5280, 15391)]