143713640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 383616000

約数和(自身を除く): 239902360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 79, 89, 140, 146, 158, 178, 280, 292, 316, 356, 365, 395, 445, 511, 553, 584, 623, 632, 712, 730, 790, 890, 1022, 1106, 1246, 1460, 1580, 1780, 2044, 2212, 2492, 2555, 2765, 2920, 3115, 3160, 3560, 4088, 4424, 4984, 5110, 5530, 5767, 6230, 6497, 7031, 10220, 11060, 11534, 12460, 12994, 14062, 20440, 22120, 23068, 24920, 25988, 28124, 28835, 32485, 35155, 40369, 45479, 46136, 49217, 51976, 56248, 57670, 64970, 70310, 80738, 90958, 98434, 115340, 129940, 140620, 161476, 181916, 196868, 201845, 227395, 230680, 246085, 259880, 281240, 322952, 363832, 393736, 403690, 454790, 492170, 513263, 807380, 909580, 984340, 1026526, 1614760, 1819160, 1968680, 2053052, 2566315, 3592841, 4106104, 5132630, 7185682, 10265260, 14371364, 17964205, 20530520, 28742728, 35928410, 71856820, 143713640]

約数ペア:

[(1, 143713640), (2, 71856820), (4, 35928410), (5, 28742728), (7, 20530520), (8, 17964205), (10, 14371364), (14, 10265260), (20, 7185682), (28, 5132630), (35, 4106104), (40, 3592841), (56, 2566315), (70, 2053052), (73, 1968680), (79, 1819160), (89, 1614760), (140, 1026526), (146, 984340), (158, 909580), (178, 807380), (280, 513263), (292, 492170), (316, 454790), (356, 403690), (365, 393736), (395, 363832), (445, 322952), (511, 281240), (553, 259880), (584, 246085), (623, 230680), (632, 227395), (712, 201845), (730, 196868), (790, 181916), (890, 161476), (1022, 140620), (1106, 129940), (1246, 115340), (1460, 98434), (1580, 90958), (1780, 80738), (2044, 70310), (2212, 64970), (2492, 57670), (2555, 56248), (2765, 51976), (2920, 49217), (3115, 46136), (3160, 45479), (3560, 40369), (4088, 35155), (4424, 32485), (4984, 28835), (5110, 28124), (5530, 25988), (5767, 24920), (6230, 23068), (6497, 22120), (7031, 20440), (10220, 14062), (11060, 12994), (11534, 12460)]