8186220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 29090880

約数和(自身を除く): 20904660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 89, 90, 105, 126, 140, 146, 178, 180, 210, 219, 252, 267, 292, 315, 356, 365, 420, 438, 445, 511, 534, 623, 630, 657, 730, 801, 876, 890, 1022, 1068, 1095, 1246, 1260, 1314, 1335, 1460, 1533, 1602, 1780, 1869, 2044, 2190, 2492, 2555, 2628, 2670, 3066, 3115, 3204, 3285, 3738, 4005, 4380, 4599, 5110, 5340, 5607, 6132, 6230, 6497, 6570, 7476, 7665, 8010, 9198, 9345, 10220, 11214, 12460, 12994, 13140, 15330, 16020, 18396, 18690, 19491, 22428, 22995, 25988, 28035, 30660, 32485, 37380, 38982, 45479, 45990, 56070, 58473, 64970, 77964, 90958, 91980, 97455, 112140, 116946, 129940, 136437, 181916, 194910, 227395, 233892, 272874, 292365, 389820, 409311, 454790, 545748, 584730, 682185, 818622, 909580, 1169460, 1364370, 1637244, 2046555, 2728740, 4093110, 8186220]

約数ペア:

[(1, 8186220), (2, 4093110), (3, 2728740), (4, 2046555), (5, 1637244), (6, 1364370), (7, 1169460), (9, 909580), (10, 818622), (12, 682185), (14, 584730), (15, 545748), (18, 454790), (20, 409311), (21, 389820), (28, 292365), (30, 272874), (35, 233892), (36, 227395), (42, 194910), (45, 181916), (60, 136437), (63, 129940), (70, 116946), (73, 112140), (84, 97455), (89, 91980), (90, 90958), (105, 77964), (126, 64970), (140, 58473), (146, 56070), (178, 45990), (180, 45479), (210, 38982), (219, 37380), (252, 32485), (267, 30660), (292, 28035), (315, 25988), (356, 22995), (365, 22428), (420, 19491), (438, 18690), (445, 18396), (511, 16020), (534, 15330), (623, 13140), (630, 12994), (657, 12460), (730, 11214), (801, 10220), (876, 9345), (890, 9198), (1022, 8010), (1068, 7665), (1095, 7476), (1246, 6570), (1260, 6497), (1314, 6230), (1335, 6132), (1460, 5607), (1533, 5340), (1602, 5110), (1780, 4599), (1869, 4380), (2044, 4005), (2190, 3738), (2492, 3285), (2555, 3204), (2628, 3115), (2670, 3066)]