131286120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2141}}^1$

素因数の和:2235

約数の個数: 128

約数和(自身を含む): 456503040

約数和(自身を除く): 325216920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2141, 2190, 2555, 2920, 3066, 4088, 4282, 4380, 5110, 6132, 6423, 7665, 8564, 8760, 10220, 10705, 12264, 12846, 14987, 15330, 17128, 20440, 21410, 25692, 29974, 30660, 32115, 42820, 44961, 51384, 59948, 61320, 64230, 74935, 85640, 89922, 119896, 128460, 149870, 156293, 179844, 224805, 256920, 299740, 312586, 359688, 449610, 468879, 599480, 625172, 781465, 899220, 937758, 1094051, 1250344, 1562930, 1798440, 1875516, 2188102, 2344395, 3125860, 3282153, 3751032, 4376204, 4688790, 5470255, 6251720, 6564306, 8752408, 9377580, 10940510, 13128612, 16410765, 18755160, 21881020, 26257224, 32821530, 43762040, 65643060, 131286120]

約数ペア:

[(1, 131286120), (2, 65643060), (3, 43762040), (4, 32821530), (5, 26257224), (6, 21881020), (7, 18755160), (8, 16410765), (10, 13128612), (12, 10940510), (14, 9377580), (15, 8752408), (20, 6564306), (21, 6251720), (24, 5470255), (28, 4688790), (30, 4376204), (35, 3751032), (40, 3282153), (42, 3125860), (56, 2344395), (60, 2188102), (70, 1875516), (73, 1798440), (84, 1562930), (105, 1250344), (120, 1094051), (140, 937758), (146, 899220), (168, 781465), (210, 625172), (219, 599480), (280, 468879), (292, 449610), (365, 359688), (420, 312586), (438, 299740), (511, 256920), (584, 224805), (730, 179844), (840, 156293), (876, 149870), (1022, 128460), (1095, 119896), (1460, 89922), (1533, 85640), (1752, 74935), (2044, 64230), (2141, 61320), (2190, 59948), (2555, 51384), (2920, 44961), (3066, 42820), (4088, 32115), (4282, 30660), (4380, 29974), (5110, 25692), (6132, 21410), (6423, 20440), (7665, 17128), (8564, 15330), (8760, 14987), (10220, 12846), (10705, 12264)]