68907120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16889}}^1$

素因数の和:16922

約数の個数: 80

約数和(自身を含む): 226190880

約数和(自身を除く): 157283760

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, 16889, 33778, 50667, 67556, 84445, 101334, 135112, 168890, 202668, 253335, 270224, 287113, 337780, 405336, 506670, 574226, 675560, 810672, 861339, 1013340, 1148452, 1351120, 1435565, 1722678, 2026680, 2296904, 2871130, 3445356, 4053360, 4306695, 4593808, 5742260, 6890712, 8613390, 11484520, 13781424, 17226780, 22969040, 34453560, 68907120]

約数ペア:

[(1, 68907120), (2, 34453560), (3, 22969040), (4, 17226780), (5, 13781424), (6, 11484520), (8, 8613390), (10, 6890712), (12, 5742260), (15, 4593808), (16, 4306695), (17, 4053360), (20, 3445356), (24, 2871130), (30, 2296904), (34, 2026680), (40, 1722678), (48, 1435565), (51, 1351120), (60, 1148452), (68, 1013340), (80, 861339), (85, 810672), (102, 675560), (120, 574226), (136, 506670), (170, 405336), (204, 337780), (240, 287113), (255, 270224), (272, 253335), (340, 202668), (408, 168890), (510, 135112), (680, 101334), (816, 84445), (1020, 67556), (1360, 50667), (2040, 33778), (4080, 16889)]