91521920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:716

約数の個数: 128

約数和(自身を含む): 258508800

約数和(自身を除く): 166986880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 659, 868, 896, 992, 1085, 1120, 1240, 1318, 1736, 1984, 2170, 2240, 2480, 2636, 3295, 3472, 3968, 4340, 4480, 4613, 4960, 5272, 6590, 6944, 8680, 9226, 9920, 10544, 13180, 13888, 17360, 18452, 19840, 20429, 21088, 23065, 26360, 27776, 34720, 36904, 40858, 42176, 46130, 52720, 69440, 73808, 81716, 84352, 92260, 102145, 105440, 138880, 143003, 147616, 163432, 184520, 204290, 210880, 286006, 295232, 326864, 369040, 408580, 421760, 572012, 590464, 653728, 715015, 738080, 817160, 1144024, 1307456, 1430030, 1476160, 1634320, 2288048, 2614912, 2860060, 2952320, 3268640, 4576096, 5720120, 6537280, 9152192, 11440240, 13074560, 18304384, 22880480, 45760960, 91521920]

約数ペア:

[(1, 91521920), (2, 45760960), (4, 22880480), (5, 18304384), (7, 13074560), (8, 11440240), (10, 9152192), (14, 6537280), (16, 5720120), (20, 4576096), (28, 3268640), (31, 2952320), (32, 2860060), (35, 2614912), (40, 2288048), (56, 1634320), (62, 1476160), (64, 1430030), (70, 1307456), (80, 1144024), (112, 817160), (124, 738080), (128, 715015), (140, 653728), (155, 590464), (160, 572012), (217, 421760), (224, 408580), (248, 369040), (280, 326864), (310, 295232), (320, 286006), (434, 210880), (448, 204290), (496, 184520), (560, 163432), (620, 147616), (640, 143003), (659, 138880), (868, 105440), (896, 102145), (992, 92260), (1085, 84352), (1120, 81716), (1240, 73808), (1318, 69440), (1736, 52720), (1984, 46130), (2170, 42176), (2240, 40858), (2480, 36904), (2636, 34720), (3295, 27776), (3472, 26360), (3968, 23065), (4340, 21088), (4480, 20429), (4613, 19840), (4960, 18452), (5272, 17360), (6590, 13888), (6944, 13180), (8680, 10544), (9226, 9920)]