28180560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6907}}^1$

素因数の和:6940

約数の個数: 80

約数和(自身を含む): 92511936

約数和(自身を除く): 64331376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 6907, 13814, 20721, 27628, 34535, 41442, 55256, 69070, 82884, 103605, 110512, 117419, 138140, 165768, 207210, 234838, 276280, 331536, 352257, 414420, 469676, 552560, 587095, 704514, 828840, 939352, 1174190, 1409028, 1657680, 1761285, 1878704, 2348380, 2818056, 3522570, 4696760, 5636112, 7045140, 9393520, 14090280, 28180560]

約数ペア:

[(1, 28180560), (2, 14090280), (3, 9393520), (4, 7045140), (5, 5636112), (6, 4696760), (8, 3522570), (10, 2818056), (12, 2348380), (15, 1878704), (16, 1761285), (17, 1657680), (20, 1409028), (24, 1174190), (30, 939352), (34, 828840), (40, 704514), (48, 587095), (51, 552560), (60, 469676), (68, 414420), (80, 352257), (85, 331536), (102, 276280), (120, 234838), (136, 207210), (170, 165768), (204, 138140), (240, 117419), (255, 110512), (272, 103605), (340, 82884), (408, 69070), (510, 55256), (680, 41442), (816, 34535), (1020, 27628), (1360, 20721), (2040, 13814), (4080, 6907)]