75081720

素因数分解:

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

素因数の和:254

約数の個数: 144

約数和(自身を含む): 264359160

約数和(自身を除く): 189277440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 113, 120, 140, 147, 168, 196, 210, 226, 245, 280, 294, 339, 392, 420, 452, 490, 565, 588, 678, 735, 791, 840, 904, 980, 1130, 1176, 1356, 1470, 1582, 1695, 1960, 2260, 2373, 2712, 2940, 3164, 3390, 3955, 4520, 4746, 5537, 5880, 6328, 6780, 7910, 9492, 11074, 11865, 12769, 13560, 15820, 16611, 18984, 22148, 23730, 25538, 27685, 31640, 33222, 38307, 44296, 47460, 51076, 55370, 63845, 66444, 76614, 83055, 89383, 94920, 102152, 110740, 127690, 132888, 153228, 166110, 178766, 191535, 221480, 255380, 268149, 306456, 332220, 357532, 383070, 446915, 510760, 536298, 625681, 664440, 715064, 766140, 893830, 1072596, 1251362, 1340745, 1532280, 1787660, 1877043, 2145192, 2502724, 2681490, 3128405, 3575320, 3754086, 5005448, 5362980, 6256810, 7508172, 9385215, 10725960, 12513620, 15016344, 18770430, 25027240, 37540860, 75081720]

約数ペア:

[(1, 75081720), (2, 37540860), (3, 25027240), (4, 18770430), (5, 15016344), (6, 12513620), (7, 10725960), (8, 9385215), (10, 7508172), (12, 6256810), (14, 5362980), (15, 5005448), (20, 3754086), (21, 3575320), (24, 3128405), (28, 2681490), (30, 2502724), (35, 2145192), (40, 1877043), (42, 1787660), (49, 1532280), (56, 1340745), (60, 1251362), (70, 1072596), (84, 893830), (98, 766140), (105, 715064), (113, 664440), (120, 625681), (140, 536298), (147, 510760), (168, 446915), (196, 383070), (210, 357532), (226, 332220), (245, 306456), (280, 268149), (294, 255380), (339, 221480), (392, 191535), (420, 178766), (452, 166110), (490, 153228), (565, 132888), (588, 127690), (678, 110740), (735, 102152), (791, 94920), (840, 89383), (904, 83055), (980, 76614), (1130, 66444), (1176, 63845), (1356, 55370), (1470, 51076), (1582, 47460), (1695, 44296), (1960, 38307), (2260, 33222), (2373, 31640), (2712, 27685), (2940, 25538), (3164, 23730), (3390, 22148), (3955, 18984), (4520, 16611), (4746, 15820), (5537, 13560), (5880, 12769), (6328, 11865), (6780, 11074), (7910, 9492)]