308605920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13121}}^1$

素因数の和:13153

約数の個数: 144

約数和(自身を含む): 1130906448

約数和(自身を除く): 822300528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 13121, 23520, 26242, 39363, 52484, 65605, 78726, 91847, 104968, 131210, 157452, 183694, 196815, 209936, 262420, 275541, 314904, 367388, 393630, 419872, 459235, 524840, 551082, 629808, 642929, 734776, 787260, 918470, 1049680, 1102164, 1259616, 1285858, 1377705, 1469552, 1574520, 1836940, 1928787, 2099360, 2204328, 2571716, 2755410, 2939104, 3149040, 3214645, 3673880, 3857574, 4408656, 5143432, 5510820, 6298080, 6429290, 7347760, 7715148, 8817312, 9643935, 10286864, 11021640, 12858580, 14695520, 15430296, 19287870, 20573728, 22043280, 25717160, 30860592, 38575740, 44086560, 51434320, 61721184, 77151480, 102868640, 154302960, 308605920]

約数ペア:

[(1, 308605920), (2, 154302960), (3, 102868640), (4, 77151480), (5, 61721184), (6, 51434320), (7, 44086560), (8, 38575740), (10, 30860592), (12, 25717160), (14, 22043280), (15, 20573728), (16, 19287870), (20, 15430296), (21, 14695520), (24, 12858580), (28, 11021640), (30, 10286864), (32, 9643935), (35, 8817312), (40, 7715148), (42, 7347760), (48, 6429290), (49, 6298080), (56, 5510820), (60, 5143432), (70, 4408656), (80, 3857574), (84, 3673880), (96, 3214645), (98, 3149040), (105, 2939104), (112, 2755410), (120, 2571716), (140, 2204328), (147, 2099360), (160, 1928787), (168, 1836940), (196, 1574520), (210, 1469552), (224, 1377705), (240, 1285858), (245, 1259616), (280, 1102164), (294, 1049680), (336, 918470), (392, 787260), (420, 734776), (480, 642929), (490, 629808), (560, 551082), (588, 524840), (672, 459235), (735, 419872), (784, 393630), (840, 367388), (980, 314904), (1120, 275541), (1176, 262420), (1470, 209936), (1568, 196815), (1680, 183694), (1960, 157452), (2352, 131210), (2940, 104968), (3360, 91847), (3920, 78726), (4704, 65605), (5880, 52484), (7840, 39363), (11760, 26242), (13121, 23520)]