251808960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20177}}^1$

素因数の和:20210

約数の個数: 112

約数和(自身を含む): 861035616

約数和(自身を除く): 609226656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 20177, 40354, 60531, 80708, 100885, 121062, 161416, 201770, 242124, 262301, 302655, 322832, 403540, 484248, 524602, 605310, 645664, 786903, 807080, 968496, 1049204, 1210620, 1291328, 1311505, 1573806, 1614160, 1936992, 2098408, 2421240, 2623010, 3147612, 3228320, 3873984, 3934515, 4196816, 4842480, 5246020, 6295224, 6456640, 7869030, 8393632, 9684960, 10492040, 12590448, 15738060, 16787264, 19369920, 20984080, 25180896, 31476120, 41968160, 50361792, 62952240, 83936320, 125904480, 251808960]

約数ペア:

[(1, 251808960), (2, 125904480), (3, 83936320), (4, 62952240), (5, 50361792), (6, 41968160), (8, 31476120), (10, 25180896), (12, 20984080), (13, 19369920), (15, 16787264), (16, 15738060), (20, 12590448), (24, 10492040), (26, 9684960), (30, 8393632), (32, 7869030), (39, 6456640), (40, 6295224), (48, 5246020), (52, 4842480), (60, 4196816), (64, 3934515), (65, 3873984), (78, 3228320), (80, 3147612), (96, 2623010), (104, 2421240), (120, 2098408), (130, 1936992), (156, 1614160), (160, 1573806), (192, 1311505), (195, 1291328), (208, 1210620), (240, 1049204), (260, 968496), (312, 807080), (320, 786903), (390, 645664), (416, 605310), (480, 524602), (520, 484248), (624, 403540), (780, 322832), (832, 302655), (960, 262301), (1040, 242124), (1248, 201770), (1560, 161416), (2080, 121062), (2496, 100885), (3120, 80708), (4160, 60531), (6240, 40354), (12480, 20177)]