156447760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 436043520

約数和(自身を除く): 279595760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 73, 80, 86, 89, 112, 140, 146, 172, 178, 215, 280, 292, 301, 344, 356, 365, 430, 445, 511, 560, 584, 602, 623, 688, 712, 730, 860, 890, 1022, 1168, 1204, 1246, 1424, 1460, 1505, 1720, 1780, 2044, 2408, 2492, 2555, 2920, 3010, 3115, 3139, 3440, 3560, 3827, 4088, 4816, 4984, 5110, 5840, 6020, 6230, 6278, 6497, 7120, 7654, 8176, 9968, 10220, 12040, 12460, 12556, 12994, 15308, 15695, 19135, 20440, 21973, 24080, 24920, 25112, 25988, 26789, 30616, 31390, 32485, 38270, 40880, 43946, 45479, 49840, 50224, 51976, 53578, 61232, 62780, 64970, 76540, 87892, 90958, 103952, 107156, 109865, 125560, 129940, 133945, 153080, 175784, 181916, 214312, 219730, 227395, 251120, 259880, 267890, 279371, 306160, 351568, 363832, 428624, 439460, 454790, 519760, 535780, 558742, 727664, 878920, 909580, 1071560, 1117484, 1396855, 1757840, 1819160, 1955597, 2143120, 2234968, 2793710, 3638320, 3911194, 4469936, 5587420, 7822388, 9777985, 11174840, 15644776, 19555970, 22349680, 31289552, 39111940, 78223880, 156447760]

約数ペア:

[(1, 156447760), (2, 78223880), (4, 39111940), (5, 31289552), (7, 22349680), (8, 19555970), (10, 15644776), (14, 11174840), (16, 9777985), (20, 7822388), (28, 5587420), (35, 4469936), (40, 3911194), (43, 3638320), (56, 2793710), (70, 2234968), (73, 2143120), (80, 1955597), (86, 1819160), (89, 1757840), (112, 1396855), (140, 1117484), (146, 1071560), (172, 909580), (178, 878920), (215, 727664), (280, 558742), (292, 535780), (301, 519760), (344, 454790), (356, 439460), (365, 428624), (430, 363832), (445, 351568), (511, 306160), (560, 279371), (584, 267890), (602, 259880), (623, 251120), (688, 227395), (712, 219730), (730, 214312), (860, 181916), (890, 175784), (1022, 153080), (1168, 133945), (1204, 129940), (1246, 125560), (1424, 109865), (1460, 107156), (1505, 103952), (1720, 90958), (1780, 87892), (2044, 76540), (2408, 64970), (2492, 62780), (2555, 61232), (2920, 53578), (3010, 51976), (3115, 50224), (3139, 49840), (3440, 45479), (3560, 43946), (3827, 40880), (4088, 38270), (4816, 32485), (4984, 31390), (5110, 30616), (5840, 26789), (6020, 25988), (6230, 25112), (6278, 24920), (6497, 24080), (7120, 21973), (7654, 20440), (8176, 19135), (9968, 15695), (10220, 15308), (12040, 12994), (12460, 12556)]