81695880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1907}}^1$

素因数の和:1948

約数の個数: 192

約数和(自身を含む): 321459840

約数和(自身を除く): 239763960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 476, 504, 510, 595, 612, 630, 680, 714, 765, 840, 952, 1020, 1071, 1190, 1224, 1260, 1428, 1530, 1785, 1907, 2040, 2142, 2380, 2520, 2856, 3060, 3570, 3814, 4284, 4760, 5355, 5721, 6120, 7140, 7628, 8568, 9535, 10710, 11442, 13349, 14280, 15256, 17163, 19070, 21420, 22884, 26698, 28605, 32419, 34326, 38140, 40047, 42840, 45768, 53396, 57210, 64838, 66745, 68652, 76280, 80094, 85815, 97257, 106792, 114420, 120141, 129676, 133490, 137304, 160188, 162095, 171630, 194514, 200235, 226933, 228840, 240282, 259352, 266980, 291771, 320376, 324190, 343260, 389028, 400470, 453866, 480564, 486285, 533960, 583542, 600705, 648380, 680799, 686520, 778056, 800940, 907732, 961128, 972570, 1134665, 1167084, 1201410, 1296760, 1361598, 1458855, 1601880, 1815464, 1945140, 2042397, 2269330, 2334168, 2402820, 2723196, 2917710, 3403995, 3890280, 4084794, 4538660, 4805640, 5446392, 5835420, 6807990, 8169588, 9077320, 10211985, 11670840, 13615980, 16339176, 20423970, 27231960, 40847940, 81695880]

約数ペア:

[(1, 81695880), (2, 40847940), (3, 27231960), (4, 20423970), (5, 16339176), (6, 13615980), (7, 11670840), (8, 10211985), (9, 9077320), (10, 8169588), (12, 6807990), (14, 5835420), (15, 5446392), (17, 4805640), (18, 4538660), (20, 4084794), (21, 3890280), (24, 3403995), (28, 2917710), (30, 2723196), (34, 2402820), (35, 2334168), (36, 2269330), (40, 2042397), (42, 1945140), (45, 1815464), (51, 1601880), (56, 1458855), (60, 1361598), (63, 1296760), (68, 1201410), (70, 1167084), (72, 1134665), (84, 972570), (85, 961128), (90, 907732), (102, 800940), (105, 778056), (119, 686520), (120, 680799), (126, 648380), (136, 600705), (140, 583542), (153, 533960), (168, 486285), (170, 480564), (180, 453866), (204, 400470), (210, 389028), (238, 343260), (252, 324190), (255, 320376), (280, 291771), (306, 266980), (315, 259352), (340, 240282), (357, 228840), (360, 226933), (408, 200235), (420, 194514), (476, 171630), (504, 162095), (510, 160188), (595, 137304), (612, 133490), (630, 129676), (680, 120141), (714, 114420), (765, 106792), (840, 97257), (952, 85815), (1020, 80094), (1071, 76280), (1190, 68652), (1224, 66745), (1260, 64838), (1428, 57210), (1530, 53396), (1785, 45768), (1907, 42840), (2040, 40047), (2142, 38140), (2380, 34326), (2520, 32419), (2856, 28605), (3060, 26698), (3570, 22884), (3814, 21420), (4284, 19070), (4760, 17163), (5355, 15256), (5721, 14280), (6120, 13349), (7140, 11442), (7628, 10710), (8568, 9535)]