128974860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{2089}}^1$

素因数の和:2125

約数の個数: 144

約数和(自身を含む): 456456000

約数和(自身を除く): 327481140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2089, 2205, 2940, 3087, 3430, 4116, 4178, 4410, 5145, 6174, 6267, 6860, 8356, 8820, 10290, 10445, 12348, 12534, 14623, 15435, 18801, 20580, 20890, 25068, 29246, 30870, 31335, 37602, 41780, 43869, 58492, 61740, 62670, 73115, 75204, 87738, 94005, 102361, 125340, 131607, 146230, 175476, 188010, 204722, 219345, 263214, 292460, 307083, 376020, 409444, 438690, 511805, 526428, 614166, 658035, 716527, 877380, 921249, 1023610, 1228332, 1316070, 1433054, 1535415, 1842498, 2047220, 2149581, 2632140, 2866108, 3070830, 3582635, 3684996, 4299162, 4606245, 6141660, 6448743, 7165270, 8598324, 9212490, 10747905, 12897486, 14330540, 18424980, 21495810, 25794972, 32243715, 42991620, 64487430, 128974860]

約数ペア:

[(1, 128974860), (2, 64487430), (3, 42991620), (4, 32243715), (5, 25794972), (6, 21495810), (7, 18424980), (9, 14330540), (10, 12897486), (12, 10747905), (14, 9212490), (15, 8598324), (18, 7165270), (20, 6448743), (21, 6141660), (28, 4606245), (30, 4299162), (35, 3684996), (36, 3582635), (42, 3070830), (45, 2866108), (49, 2632140), (60, 2149581), (63, 2047220), (70, 1842498), (84, 1535415), (90, 1433054), (98, 1316070), (105, 1228332), (126, 1023610), (140, 921249), (147, 877380), (180, 716527), (196, 658035), (210, 614166), (245, 526428), (252, 511805), (294, 438690), (315, 409444), (343, 376020), (420, 307083), (441, 292460), (490, 263214), (588, 219345), (630, 204722), (686, 188010), (735, 175476), (882, 146230), (980, 131607), (1029, 125340), (1260, 102361), (1372, 94005), (1470, 87738), (1715, 75204), (1764, 73115), (2058, 62670), (2089, 61740), (2205, 58492), (2940, 43869), (3087, 41780), (3430, 37602), (4116, 31335), (4178, 30870), (4410, 29246), (5145, 25068), (6174, 20890), (6267, 20580), (6860, 18801), (8356, 15435), (8820, 14623), (10290, 12534), (10445, 12348)]