81862488

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 160

約数和(自身を含む): 247566000

約数和(自身を除く): 165703512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 61, 72, 76, 81, 108, 109, 114, 122, 152, 162, 171, 183, 216, 218, 228, 244, 324, 327, 342, 366, 436, 456, 488, 513, 549, 648, 654, 684, 732, 872, 981, 1026, 1098, 1159, 1308, 1368, 1464, 1539, 1647, 1962, 2052, 2071, 2196, 2318, 2616, 2943, 3078, 3294, 3477, 3924, 4104, 4142, 4392, 4636, 4941, 5886, 6156, 6213, 6588, 6649, 6954, 7848, 8284, 8829, 9272, 9882, 10431, 11772, 12312, 12426, 13176, 13298, 13908, 16568, 17658, 18639, 19764, 19947, 20862, 23544, 24852, 26596, 27816, 31293, 35316, 37278, 39528, 39894, 41724, 49704, 53192, 55917, 59841, 62586, 70632, 74556, 79788, 83448, 93879, 111834, 119682, 125172, 126331, 149112, 159576, 167751, 179523, 187758, 223668, 239364, 250344, 252662, 335502, 359046, 375516, 378993, 447336, 478728, 505324, 538569, 671004, 718092, 751032, 757986, 1010648, 1077138, 1136979, 1342008, 1436184, 1515972, 2154276, 2273958, 3031944, 3410937, 4308552, 4547916, 6821874, 9095832, 10232811, 13643748, 20465622, 27287496, 40931244, 81862488]

約数ペア:

[(1, 81862488), (2, 40931244), (3, 27287496), (4, 20465622), (6, 13643748), (8, 10232811), (9, 9095832), (12, 6821874), (18, 4547916), (19, 4308552), (24, 3410937), (27, 3031944), (36, 2273958), (38, 2154276), (54, 1515972), (57, 1436184), (61, 1342008), (72, 1136979), (76, 1077138), (81, 1010648), (108, 757986), (109, 751032), (114, 718092), (122, 671004), (152, 538569), (162, 505324), (171, 478728), (183, 447336), (216, 378993), (218, 375516), (228, 359046), (244, 335502), (324, 252662), (327, 250344), (342, 239364), (366, 223668), (436, 187758), (456, 179523), (488, 167751), (513, 159576), (549, 149112), (648, 126331), (654, 125172), (684, 119682), (732, 111834), (872, 93879), (981, 83448), (1026, 79788), (1098, 74556), (1159, 70632), (1308, 62586), (1368, 59841), (1464, 55917), (1539, 53192), (1647, 49704), (1962, 41724), (2052, 39894), (2071, 39528), (2196, 37278), (2318, 35316), (2616, 31293), (2943, 27816), (3078, 26596), (3294, 24852), (3477, 23544), (3924, 20862), (4104, 19947), (4142, 19764), (4392, 18639), (4636, 17658), (4941, 16568), (5886, 13908), (6156, 13298), (6213, 13176), (6588, 12426), (6649, 12312), (6954, 11772), (7848, 10431), (8284, 9882), (8829, 9272)]