17939880

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{113}}^1$

素因数の和:150

約数の個数: 240

約数和(自身を含む): 70763220

約数和(自身を除く): 52823340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 113, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 226, 245, 252, 270, 280, 294, 315, 324, 339, 360, 378, 392, 405, 420, 441, 452, 490, 504, 540, 565, 567, 588, 630, 648, 678, 735, 756, 791, 810, 840, 882, 904, 945, 980, 1017, 1080, 1130, 1134, 1176, 1260, 1323, 1356, 1470, 1512, 1582, 1620, 1695, 1764, 1890, 1960, 2034, 2205, 2260, 2268, 2373, 2520, 2646, 2712, 2835, 2940, 3051, 3164, 3240, 3390, 3528, 3780, 3955, 3969, 4068, 4410, 4520, 4536, 4746, 5085, 5292, 5537, 5670, 5880, 6102, 6328, 6615, 6780, 7119, 7560, 7910, 7938, 8136, 8820, 9153, 9492, 10170, 10584, 11074, 11340, 11865, 12204, 13230, 13560, 14238, 15255, 15820, 15876, 16611, 17640, 18306, 18984, 19845, 20340, 21357, 22148, 22680, 23730, 24408, 26460, 27685, 28476, 30510, 31640, 31752, 33222, 35595, 36612, 39690, 40680, 42714, 44296, 45765, 47460, 49833, 52920, 55370, 56952, 61020, 64071, 66444, 71190, 73224, 79380, 83055, 85428, 91530, 94920, 99666, 106785, 110740, 122040, 128142, 132888, 142380, 149499, 158760, 166110, 170856, 183060, 199332, 213570, 221480, 249165, 256284, 284760, 298998, 320355, 332220, 366120, 398664, 427140, 448497, 498330, 512568, 597996, 640710, 664440, 747495, 854280, 896994, 996660, 1195992, 1281420, 1494990, 1793988, 1993320, 2242485, 2562840, 2989980, 3587976, 4484970, 5979960, 8969940, 17939880]

約数ペア:

[(1, 17939880), (2, 8969940), (3, 5979960), (4, 4484970), (5, 3587976), (6, 2989980), (7, 2562840), (8, 2242485), (9, 1993320), (10, 1793988), (12, 1494990), (14, 1281420), (15, 1195992), (18, 996660), (20, 896994), (21, 854280), (24, 747495), (27, 664440), (28, 640710), (30, 597996), (35, 512568), (36, 498330), (40, 448497), (42, 427140), (45, 398664), (49, 366120), (54, 332220), (56, 320355), (60, 298998), (63, 284760), (70, 256284), (72, 249165), (81, 221480), (84, 213570), (90, 199332), (98, 183060), (105, 170856), (108, 166110), (113, 158760), (120, 149499), (126, 142380), (135, 132888), (140, 128142), (147, 122040), (162, 110740), (168, 106785), (180, 99666), (189, 94920), (196, 91530), (210, 85428), (216, 83055), (226, 79380), (245, 73224), (252, 71190), (270, 66444), (280, 64071), (294, 61020), (315, 56952), (324, 55370), (339, 52920), (360, 49833), (378, 47460), (392, 45765), (405, 44296), (420, 42714), (441, 40680), (452, 39690), (490, 36612), (504, 35595), (540, 33222), (565, 31752), (567, 31640), (588, 30510), (630, 28476), (648, 27685), (678, 26460), (735, 24408), (756, 23730), (791, 22680), (810, 22148), (840, 21357), (882, 20340), (904, 19845), (945, 18984), (980, 18306), (1017, 17640), (1080, 16611), (1130, 15876), (1134, 15820), (1176, 15255), (1260, 14238), (1323, 13560), (1356, 13230), (1470, 12204), (1512, 11865), (1582, 11340), (1620, 11074), (1695, 10584), (1764, 10170), (1890, 9492), (1960, 9153), (2034, 8820), (2205, 8136), (2260, 7938), (2268, 7910), (2373, 7560), (2520, 7119), (2646, 6780), (2712, 6615), (2835, 6328), (2940, 6102), (3051, 5880), (3164, 5670), (3240, 5537), (3390, 5292), (3528, 5085), (3780, 4746), (3955, 4536), (3969, 4520), (4068, 4410)]