156839680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6449}}^1$

素因数の和:6489

約数の個数: 72

約数和(自身を含む): 395514000

約数和(自身を除く): 238674320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 6449, 12160, 12898, 24320, 25796, 32245, 51592, 64490, 103184, 122531, 128980, 206368, 245062, 257960, 412736, 490124, 515920, 612655, 825472, 980248, 1031840, 1225310, 1650944, 1960496, 2063680, 2450620, 3920992, 4127360, 4901240, 7841984, 8254720, 9802480, 15683968, 19604960, 31367936, 39209920, 78419840, 156839680]

約数ペア:

[(1, 156839680), (2, 78419840), (4, 39209920), (5, 31367936), (8, 19604960), (10, 15683968), (16, 9802480), (19, 8254720), (20, 7841984), (32, 4901240), (38, 4127360), (40, 3920992), (64, 2450620), (76, 2063680), (80, 1960496), (95, 1650944), (128, 1225310), (152, 1031840), (160, 980248), (190, 825472), (256, 612655), (304, 515920), (320, 490124), (380, 412736), (608, 257960), (640, 245062), (760, 206368), (1216, 128980), (1280, 122531), (1520, 103184), (2432, 64490), (3040, 51592), (4864, 32245), (6080, 25796), (6449, 24320), (12160, 12898)]