287640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:81

約数の個数: 96

約数和(自身を含む): 1010880

約数和(自身を除く): 723240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 47, 51, 60, 68, 72, 85, 90, 94, 102, 120, 136, 141, 153, 170, 180, 188, 204, 235, 255, 282, 306, 340, 360, 376, 408, 423, 470, 510, 564, 612, 680, 705, 765, 799, 846, 940, 1020, 1128, 1224, 1410, 1530, 1598, 1692, 1880, 2040, 2115, 2397, 2820, 3060, 3196, 3384, 3995, 4230, 4794, 5640, 6120, 6392, 7191, 7990, 8460, 9588, 11985, 14382, 15980, 16920, 19176, 23970, 28764, 31960, 35955, 47940, 57528, 71910, 95880, 143820, 287640]

約数ペア:

[(1, 287640), (2, 143820), (3, 95880), (4, 71910), (5, 57528), (6, 47940), (8, 35955), (9, 31960), (10, 28764), (12, 23970), (15, 19176), (17, 16920), (18, 15980), (20, 14382), (24, 11985), (30, 9588), (34, 8460), (36, 7990), (40, 7191), (45, 6392), (47, 6120), (51, 5640), (60, 4794), (68, 4230), (72, 3995), (85, 3384), (90, 3196), (94, 3060), (102, 2820), (120, 2397), (136, 2115), (141, 2040), (153, 1880), (170, 1692), (180, 1598), (188, 1530), (204, 1410), (235, 1224), (255, 1128), (282, 1020), (306, 940), (340, 846), (360, 799), (376, 765), (408, 705), (423, 680), (470, 612), (510, 564)]