259440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:86

約数の個数: 80

約数和(自身を含む): 857088

約数和(自身を除く): 597648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 47, 48, 60, 69, 80, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 240, 276, 282, 345, 368, 376, 460, 470, 552, 564, 690, 705, 752, 920, 940, 1081, 1104, 1128, 1380, 1410, 1840, 1880, 2162, 2256, 2760, 2820, 3243, 3760, 4324, 5405, 5520, 5640, 6486, 8648, 10810, 11280, 12972, 16215, 17296, 21620, 25944, 32430, 43240, 51888, 64860, 86480, 129720, 259440]

約数ペア:

[(1, 259440), (2, 129720), (3, 86480), (4, 64860), (5, 51888), (6, 43240), (8, 32430), (10, 25944), (12, 21620), (15, 17296), (16, 16215), (20, 12972), (23, 11280), (24, 10810), (30, 8648), (40, 6486), (46, 5640), (47, 5520), (48, 5405), (60, 4324), (69, 3760), (80, 3243), (92, 2820), (94, 2760), (115, 2256), (120, 2162), (138, 1880), (141, 1840), (184, 1410), (188, 1380), (230, 1128), (235, 1104), (240, 1081), (276, 940), (282, 920), (345, 752), (368, 705), (376, 690), (460, 564), (470, 552)]