128505480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26119}}^1$

素因数の和:26174

約数の個数: 64

約数和(自身を含む): 394934400

約数和(自身を除く): 266428920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 26119, 52238, 78357, 104476, 130595, 156714, 208952, 261190, 313428, 391785, 522380, 626856, 783570, 1044760, 1070879, 1567140, 2141758, 3134280, 3212637, 4283516, 5354395, 6425274, 8567032, 10708790, 12850548, 16063185, 21417580, 25701096, 32126370, 42835160, 64252740, 128505480]

約数ペア:

[(1, 128505480), (2, 64252740), (3, 42835160), (4, 32126370), (5, 25701096), (6, 21417580), (8, 16063185), (10, 12850548), (12, 10708790), (15, 8567032), (20, 6425274), (24, 5354395), (30, 4283516), (40, 3212637), (41, 3134280), (60, 2141758), (82, 1567140), (120, 1070879), (123, 1044760), (164, 783570), (205, 626856), (246, 522380), (328, 391785), (410, 313428), (492, 261190), (615, 208952), (820, 156714), (984, 130595), (1230, 104476), (1640, 78357), (2460, 52238), (4920, 26119)]