2546666640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29723}}^1$

素因数の和:29766

約数の個数: 240

約数和(自身を含む): 10349659008

約数和(自身を除く): 7802992368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1680, 1785, 1904, 2040, 2142, 2380, 2448, 2520, 2856, 3060, 3570, 4080, 4284, 4760, 5040, 5355, 5712, 6120, 7140, 8568, 9520, 10710, 12240, 14280, 17136, 21420, 28560, 29723, 42840, 59446, 85680, 89169, 118892, 148615, 178338, 208061, 237784, 267507, 297230, 356676, 416122, 445845, 475568, 505291, 535014, 594460, 624183, 713352, 832244, 891690, 1010582, 1040305, 1070028, 1188920, 1248366, 1337535, 1426704, 1515873, 1664488, 1783380, 1872549, 2021164, 2080610, 2140056, 2377840, 2496732, 2526455, 2675070, 3031746, 3120915, 3328976, 3537037, 3566760, 3745098, 4042328, 4161220, 4280112, 4547619, 4993464, 5052910, 5350140, 6063492, 6241830, 7074074, 7133520, 7490196, 7579365, 8084656, 8322440, 9095238, 9362745, 9986928, 10105820, 10611111, 10700280, 12126984, 12483660, 14148148, 14980392, 15158730, 16644880, 17685185, 18190476, 18725490, 20211640, 21222222, 21400560, 22738095, 24253968, 24967320, 28296296, 29960784, 30317460, 31833333, 35370370, 36380952, 37450980, 40423280, 42444444, 45476190, 49934640, 53055555, 56592592, 60634920, 63666666, 70740740, 72761904, 74901960, 84888888, 90952380, 106111110, 121269840, 127333332, 141481480, 149803920, 159166665, 169777776, 181904760, 212222220, 254666664, 282962960, 318333330, 363809520, 424444440, 509333328, 636666660, 848888880, 1273333320, 2546666640]

約数ペア:

[(1, 2546666640), (2, 1273333320), (3, 848888880), (4, 636666660), (5, 509333328), (6, 424444440), (7, 363809520), (8, 318333330), (9, 282962960), (10, 254666664), (12, 212222220), (14, 181904760), (15, 169777776), (16, 159166665), (17, 149803920), (18, 141481480), (20, 127333332), (21, 121269840), (24, 106111110), (28, 90952380), (30, 84888888), (34, 74901960), (35, 72761904), (36, 70740740), (40, 63666666), (42, 60634920), (45, 56592592), (48, 53055555), (51, 49934640), (56, 45476190), (60, 42444444), (63, 40423280), (68, 37450980), (70, 36380952), (72, 35370370), (80, 31833333), (84, 30317460), (85, 29960784), (90, 28296296), (102, 24967320), (105, 24253968), (112, 22738095), (119, 21400560), (120, 21222222), (126, 20211640), (136, 18725490), (140, 18190476), (144, 17685185), (153, 16644880), (168, 15158730), (170, 14980392), (180, 14148148), (204, 12483660), (210, 12126984), (238, 10700280), (240, 10611111), (252, 10105820), (255, 9986928), (272, 9362745), (280, 9095238), (306, 8322440), (315, 8084656), (336, 7579365), (340, 7490196), (357, 7133520), (360, 7074074), (408, 6241830), (420, 6063492), (476, 5350140), (504, 5052910), (510, 4993464), (560, 4547619), (595, 4280112), (612, 4161220), (630, 4042328), (680, 3745098), (714, 3566760), (720, 3537037), (765, 3328976), (816, 3120915), (840, 3031746), (952, 2675070), (1008, 2526455), (1020, 2496732), (1071, 2377840), (1190, 2140056), (1224, 2080610), (1260, 2021164), (1360, 1872549), (1428, 1783380), (1530, 1664488), (1680, 1515873), (1785, 1426704), (1904, 1337535), (2040, 1248366), (2142, 1188920), (2380, 1070028), (2448, 1040305), (2520, 1010582), (2856, 891690), (3060, 832244), (3570, 713352), (4080, 624183), (4284, 594460), (4760, 535014), (5040, 505291), (5355, 475568), (5712, 445845), (6120, 416122), (7140, 356676), (8568, 297230), (9520, 267507), (10710, 237784), (12240, 208061), (14280, 178338), (17136, 148615), (21420, 118892), (28560, 89169), (29723, 85680), (42840, 59446)]