30957960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 103680000

約数和(自身を除く): 72722040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 499, 517, 564, 660, 705, 940, 998, 1034, 1128, 1320, 1410, 1497, 1551, 1880, 1996, 2068, 2495, 2585, 2820, 2994, 3102, 3992, 4136, 4990, 5170, 5489, 5640, 5988, 6204, 7485, 7755, 9980, 10340, 10978, 11976, 12408, 14970, 15510, 16467, 19960, 20680, 21956, 23453, 27445, 29940, 31020, 32934, 43912, 46906, 54890, 59880, 62040, 65868, 70359, 82335, 93812, 109780, 117265, 131736, 140718, 164670, 187624, 219560, 234530, 257983, 281436, 329340, 351795, 469060, 515966, 562872, 658680, 703590, 773949, 938120, 1031932, 1289915, 1407180, 1547898, 2063864, 2579830, 2814360, 3095796, 3869745, 5159660, 6191592, 7739490, 10319320, 15478980, 30957960]

約数ペア:

[(1, 30957960), (2, 15478980), (3, 10319320), (4, 7739490), (5, 6191592), (6, 5159660), (8, 3869745), (10, 3095796), (11, 2814360), (12, 2579830), (15, 2063864), (20, 1547898), (22, 1407180), (24, 1289915), (30, 1031932), (33, 938120), (40, 773949), (44, 703590), (47, 658680), (55, 562872), (60, 515966), (66, 469060), (88, 351795), (94, 329340), (110, 281436), (120, 257983), (132, 234530), (141, 219560), (165, 187624), (188, 164670), (220, 140718), (235, 131736), (264, 117265), (282, 109780), (330, 93812), (376, 82335), (440, 70359), (470, 65868), (499, 62040), (517, 59880), (564, 54890), (660, 46906), (705, 43912), (940, 32934), (998, 31020), (1034, 29940), (1128, 27445), (1320, 23453), (1410, 21956), (1497, 20680), (1551, 19960), (1880, 16467), (1996, 15510), (2068, 14970), (2495, 12408), (2585, 11976), (2820, 10978), (2994, 10340), (3102, 9980), (3992, 7755), (4136, 7485), (4990, 6204), (5170, 5988), (5489, 5640)]