123415920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3361}}^1$

素因数の和:3400

約数の個数: 160

約数和(自身を含む): 450239040

約数和(自身を除く): 326823120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 612, 680, 720, 765, 816, 918, 1020, 1080, 1224, 1360, 1530, 1836, 2040, 2160, 2295, 2448, 3060, 3361, 3672, 4080, 4590, 6120, 6722, 7344, 9180, 10083, 12240, 13444, 16805, 18360, 20166, 26888, 30249, 33610, 36720, 40332, 50415, 53776, 57137, 60498, 67220, 80664, 90747, 100830, 114274, 120996, 134440, 151245, 161328, 171411, 181494, 201660, 228548, 241992, 268880, 285685, 302490, 342822, 362988, 403320, 453735, 457096, 483984, 514233, 571370, 604980, 685644, 725976, 806640, 857055, 907470, 914192, 1028466, 1142740, 1209960, 1371288, 1451952, 1542699, 1714110, 1814940, 2056932, 2285480, 2419920, 2571165, 2742576, 3085398, 3428220, 3629880, 4113864, 4570960, 5142330, 6170796, 6856440, 7259760, 7713495, 8227728, 10284660, 12341592, 13712880, 15426990, 20569320, 24683184, 30853980, 41138640, 61707960, 123415920]

約数ペア:

[(1, 123415920), (2, 61707960), (3, 41138640), (4, 30853980), (5, 24683184), (6, 20569320), (8, 15426990), (9, 13712880), (10, 12341592), (12, 10284660), (15, 8227728), (16, 7713495), (17, 7259760), (18, 6856440), (20, 6170796), (24, 5142330), (27, 4570960), (30, 4113864), (34, 3629880), (36, 3428220), (40, 3085398), (45, 2742576), (48, 2571165), (51, 2419920), (54, 2285480), (60, 2056932), (68, 1814940), (72, 1714110), (80, 1542699), (85, 1451952), (90, 1371288), (102, 1209960), (108, 1142740), (120, 1028466), (135, 914192), (136, 907470), (144, 857055), (153, 806640), (170, 725976), (180, 685644), (204, 604980), (216, 571370), (240, 514233), (255, 483984), (270, 457096), (272, 453735), (306, 403320), (340, 362988), (360, 342822), (408, 302490), (432, 285685), (459, 268880), (510, 241992), (540, 228548), (612, 201660), (680, 181494), (720, 171411), (765, 161328), (816, 151245), (918, 134440), (1020, 120996), (1080, 114274), (1224, 100830), (1360, 90747), (1530, 80664), (1836, 67220), (2040, 60498), (2160, 57137), (2295, 53776), (2448, 50415), (3060, 40332), (3361, 36720), (3672, 33610), (4080, 30249), (4590, 26888), (6120, 20166), (6722, 18360), (7344, 16805), (9180, 13444), (10083, 12240)]