1221737790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1063}}^1$

素因数の和:1514

約数の個数: 128

約数和(自身を含む): 3620800512

約数和(自身を除く): 2399062722

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 421, 455, 546, 842, 910, 1063, 1263, 1365, 2105, 2126, 2526, 2730, 2947, 3189, 4210, 5315, 5473, 5894, 6315, 6378, 7441, 8841, 10630, 10946, 12630, 13819, 14735, 14882, 15945, 16419, 17682, 22323, 27365, 27638, 29470, 31890, 32838, 37205, 38311, 41457, 44205, 44646, 54730, 69095, 74410, 76622, 82095, 82914, 88410, 96733, 111615, 114933, 138190, 164190, 191555, 193466, 207285, 223230, 229866, 290199, 383110, 414570, 447523, 483665, 574665, 580398, 895046, 967330, 1149330, 1342569, 1450995, 2237615, 2685138, 2901990, 3132661, 4475230, 5817799, 6265322, 6712845, 9397983, 11635598, 13425690, 15663305, 17453397, 18795966, 29088995, 31326610, 34906794, 40724593, 46989915, 58177990, 81449186, 87266985, 93979830, 122173779, 174533970, 203622965, 244347558, 407245930, 610868895, 1221737790]

約数ペア:

[(1, 1221737790), (2, 610868895), (3, 407245930), (5, 244347558), (6, 203622965), (7, 174533970), (10, 122173779), (13, 93979830), (14, 87266985), (15, 81449186), (21, 58177990), (26, 46989915), (30, 40724593), (35, 34906794), (39, 31326610), (42, 29088995), (65, 18795966), (70, 17453397), (78, 15663305), (91, 13425690), (105, 11635598), (130, 9397983), (182, 6712845), (195, 6265322), (210, 5817799), (273, 4475230), (390, 3132661), (421, 2901990), (455, 2685138), (546, 2237615), (842, 1450995), (910, 1342569), (1063, 1149330), (1263, 967330), (1365, 895046), (2105, 580398), (2126, 574665), (2526, 483665), (2730, 447523), (2947, 414570), (3189, 383110), (4210, 290199), (5315, 229866), (5473, 223230), (5894, 207285), (6315, 193466), (6378, 191555), (7441, 164190), (8841, 138190), (10630, 114933), (10946, 111615), (12630, 96733), (13819, 88410), (14735, 82914), (14882, 82095), (15945, 76622), (16419, 74410), (17682, 69095), (22323, 54730), (27365, 44646), (27638, 44205), (29470, 41457), (31890, 38311), (32838, 37205)]