645804072

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 1915056000

約数和(自身を除く): 1269251928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 61, 71, 72, 76, 109, 114, 122, 142, 152, 171, 183, 213, 218, 228, 244, 284, 327, 342, 366, 426, 436, 456, 488, 549, 568, 639, 654, 684, 732, 852, 872, 981, 1098, 1159, 1278, 1308, 1349, 1368, 1464, 1704, 1962, 2071, 2196, 2318, 2556, 2616, 2698, 3477, 3924, 4047, 4142, 4331, 4392, 4636, 5112, 5396, 6213, 6649, 6954, 7739, 7848, 8094, 8284, 8662, 9272, 10431, 10792, 12141, 12426, 12993, 13298, 13908, 15478, 16188, 16568, 17324, 18639, 19947, 20862, 23217, 24282, 24852, 25986, 26596, 27816, 30956, 32376, 34648, 37278, 38979, 39894, 41724, 46434, 48564, 49704, 51972, 53192, 59841, 61912, 69651, 74556, 77958, 79788, 82289, 83448, 92868, 97128, 103944, 119682, 126331, 139302, 147041, 149112, 155916, 159576, 164578, 185736, 239364, 246867, 252662, 278604, 294082, 311832, 329156, 378993, 441123, 472079, 478728, 493734, 505324, 557208, 588164, 658312, 740601, 757986, 882246, 944158, 987468, 1010648, 1136979, 1176328, 1323369, 1416237, 1481202, 1515972, 1764492, 1888316, 1974936, 2273958, 2646738, 2832474, 2962404, 3031944, 3528984, 3776632, 4248711, 4547916, 5293476, 5664948, 5924808, 8497422, 8969501, 9095832, 10586952, 11329896, 16994844, 17939002, 26908503, 33989688, 35878004, 53817006, 71756008, 80725509, 107634012, 161451018, 215268024, 322902036, 645804072]

約数ペア:

[(1, 645804072), (2, 322902036), (3, 215268024), (4, 161451018), (6, 107634012), (8, 80725509), (9, 71756008), (12, 53817006), (18, 35878004), (19, 33989688), (24, 26908503), (36, 17939002), (38, 16994844), (57, 11329896), (61, 10586952), (71, 9095832), (72, 8969501), (76, 8497422), (109, 5924808), (114, 5664948), (122, 5293476), (142, 4547916), (152, 4248711), (171, 3776632), (183, 3528984), (213, 3031944), (218, 2962404), (228, 2832474), (244, 2646738), (284, 2273958), (327, 1974936), (342, 1888316), (366, 1764492), (426, 1515972), (436, 1481202), (456, 1416237), (488, 1323369), (549, 1176328), (568, 1136979), (639, 1010648), (654, 987468), (684, 944158), (732, 882246), (852, 757986), (872, 740601), (981, 658312), (1098, 588164), (1159, 557208), (1278, 505324), (1308, 493734), (1349, 478728), (1368, 472079), (1464, 441123), (1704, 378993), (1962, 329156), (2071, 311832), (2196, 294082), (2318, 278604), (2556, 252662), (2616, 246867), (2698, 239364), (3477, 185736), (3924, 164578), (4047, 159576), (4142, 155916), (4331, 149112), (4392, 147041), (4636, 139302), (5112, 126331), (5396, 119682), (6213, 103944), (6649, 97128), (6954, 92868), (7739, 83448), (7848, 82289), (8094, 79788), (8284, 77958), (8662, 74556), (9272, 69651), (10431, 61912), (10792, 59841), (12141, 53192), (12426, 51972), (12993, 49704), (13298, 48564), (13908, 46434), (15478, 41724), (16188, 39894), (16568, 38979), (17324, 37278), (18639, 34648), (19947, 32376), (20862, 30956), (23217, 27816), (24282, 26596), (24852, 25986)]