31980060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1493}}^1$

素因数の和:1532

約数の個数: 144

約数和(自身を含む): 117464256

約数和(自身を除く): 85484196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1493, 1530, 1785, 2142, 2380, 2986, 3060, 3570, 4284, 4479, 5355, 5972, 7140, 7465, 8958, 10451, 10710, 13437, 14930, 17916, 20902, 21420, 22395, 25381, 26874, 29860, 31353, 41804, 44790, 50762, 52255, 53748, 62706, 67185, 76143, 89580, 94059, 101524, 104510, 125412, 126905, 134370, 152286, 156765, 177667, 188118, 209020, 228429, 253810, 268740, 304572, 313530, 355334, 376236, 380715, 456858, 470295, 507620, 533001, 627060, 710668, 761430, 888335, 913716, 940590, 1066002, 1142145, 1522860, 1599003, 1776670, 1881180, 2132004, 2284290, 2665005, 3198006, 3553340, 4568580, 5330010, 6396012, 7995015, 10660020, 15990030, 31980060]

約数ペア:

[(1, 31980060), (2, 15990030), (3, 10660020), (4, 7995015), (5, 6396012), (6, 5330010), (7, 4568580), (9, 3553340), (10, 3198006), (12, 2665005), (14, 2284290), (15, 2132004), (17, 1881180), (18, 1776670), (20, 1599003), (21, 1522860), (28, 1142145), (30, 1066002), (34, 940590), (35, 913716), (36, 888335), (42, 761430), (45, 710668), (51, 627060), (60, 533001), (63, 507620), (68, 470295), (70, 456858), (84, 380715), (85, 376236), (90, 355334), (102, 313530), (105, 304572), (119, 268740), (126, 253810), (140, 228429), (153, 209020), (170, 188118), (180, 177667), (204, 156765), (210, 152286), (238, 134370), (252, 126905), (255, 125412), (306, 104510), (315, 101524), (340, 94059), (357, 89580), (420, 76143), (476, 67185), (510, 62706), (595, 53748), (612, 52255), (630, 50762), (714, 44790), (765, 41804), (1020, 31353), (1071, 29860), (1190, 26874), (1260, 25381), (1428, 22395), (1493, 21420), (1530, 20902), (1785, 17916), (2142, 14930), (2380, 13437), (2986, 10710), (3060, 10451), (3570, 8958), (4284, 7465), (4479, 7140), (5355, 5972)]