8515980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 216

約数和(自身を含む): 31370976

約数和(自身を除く): 22854996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 23, 30, 33, 34, 36, 44, 45, 46, 51, 55, 60, 66, 68, 69, 85, 90, 92, 99, 102, 110, 115, 121, 132, 138, 153, 165, 170, 180, 187, 198, 204, 207, 220, 230, 242, 253, 255, 276, 306, 330, 340, 345, 363, 374, 391, 396, 414, 460, 484, 495, 506, 510, 561, 605, 612, 660, 690, 726, 748, 759, 765, 782, 828, 935, 990, 1012, 1020, 1035, 1089, 1122, 1173, 1210, 1265, 1380, 1452, 1518, 1530, 1564, 1683, 1815, 1870, 1955, 1980, 2057, 2070, 2178, 2244, 2277, 2346, 2420, 2530, 2783, 2805, 3036, 3060, 3366, 3519, 3630, 3740, 3795, 3910, 4114, 4140, 4301, 4356, 4554, 4692, 5060, 5445, 5566, 5610, 5865, 6171, 6732, 7038, 7260, 7590, 7820, 8228, 8349, 8415, 8602, 9108, 10285, 10890, 11132, 11220, 11385, 11730, 12342, 12903, 13915, 14076, 15180, 16698, 16830, 17204, 17595, 18513, 20570, 21505, 21780, 22770, 23460, 24684, 25047, 25806, 27830, 30855, 33396, 33660, 35190, 37026, 38709, 41140, 41745, 43010, 45540, 47311, 50094, 51612, 55660, 61710, 64515, 70380, 74052, 77418, 83490, 86020, 92565, 94622, 100188, 123420, 125235, 129030, 141933, 154836, 166980, 185130, 189244, 193545, 236555, 250470, 258060, 283866, 370260, 387090, 425799, 473110, 500940, 567732, 709665, 774180, 851598, 946220, 1419330, 1703196, 2128995, 2838660, 4257990, 8515980]

約数ペア:

[(1, 8515980), (2, 4257990), (3, 2838660), (4, 2128995), (5, 1703196), (6, 1419330), (9, 946220), (10, 851598), (11, 774180), (12, 709665), (15, 567732), (17, 500940), (18, 473110), (20, 425799), (22, 387090), (23, 370260), (30, 283866), (33, 258060), (34, 250470), (36, 236555), (44, 193545), (45, 189244), (46, 185130), (51, 166980), (55, 154836), (60, 141933), (66, 129030), (68, 125235), (69, 123420), (85, 100188), (90, 94622), (92, 92565), (99, 86020), (102, 83490), (110, 77418), (115, 74052), (121, 70380), (132, 64515), (138, 61710), (153, 55660), (165, 51612), (170, 50094), (180, 47311), (187, 45540), (198, 43010), (204, 41745), (207, 41140), (220, 38709), (230, 37026), (242, 35190), (253, 33660), (255, 33396), (276, 30855), (306, 27830), (330, 25806), (340, 25047), (345, 24684), (363, 23460), (374, 22770), (391, 21780), (396, 21505), (414, 20570), (460, 18513), (484, 17595), (495, 17204), (506, 16830), (510, 16698), (561, 15180), (605, 14076), (612, 13915), (660, 12903), (690, 12342), (726, 11730), (748, 11385), (759, 11220), (765, 11132), (782, 10890), (828, 10285), (935, 9108), (990, 8602), (1012, 8415), (1020, 8349), (1035, 8228), (1089, 7820), (1122, 7590), (1173, 7260), (1210, 7038), (1265, 6732), (1380, 6171), (1452, 5865), (1518, 5610), (1530, 5566), (1564, 5445), (1683, 5060), (1815, 4692), (1870, 4554), (1955, 4356), (1980, 4301), (2057, 4140), (2070, 4114), (2178, 3910), (2244, 3795), (2277, 3740), (2346, 3630), (2420, 3519), (2530, 3366), (2783, 3060), (2805, 3036)]