71323278520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{15973}}^1$

素因数の和:16305

約数の個数: 128

約数和(自身を含む): 179051927040

約数和(自身を除く): 107728648520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 277, 310, 403, 520, 554, 620, 806, 1108, 1240, 1385, 1612, 2015, 2216, 2770, 3224, 3601, 4030, 5540, 7202, 8060, 8587, 11080, 14404, 15973, 16120, 17174, 18005, 28808, 31946, 34348, 36010, 42935, 63892, 68696, 72020, 79865, 85870, 111631, 127784, 144040, 159730, 171740, 207649, 223262, 319460, 343480, 415298, 446524, 495163, 558155, 638920, 830596, 893048, 990326, 1038245, 1116310, 1661192, 1980652, 2076490, 2232620, 2475815, 3961304, 4152980, 4424521, 4465240, 4951630, 6437119, 8305960, 8849042, 9903260, 12874238, 17698084, 19806520, 22122605, 25748476, 32185595, 35396168, 44245210, 51496952, 57518773, 64371190, 88490420, 115037546, 128742380, 137160151, 176980840, 230075092, 257484760, 274320302, 287593865, 460150184, 548640604, 575187730, 685800755, 1097281208, 1150375460, 1371601510, 1783081963, 2300750920, 2743203020, 3566163926, 5486406040, 7132327852, 8915409815, 14264655704, 17830819630, 35661639260, 71323278520]

約数ペア:

[(1, 71323278520), (2, 35661639260), (4, 17830819630), (5, 14264655704), (8, 8915409815), (10, 7132327852), (13, 5486406040), (20, 3566163926), (26, 2743203020), (31, 2300750920), (40, 1783081963), (52, 1371601510), (62, 1150375460), (65, 1097281208), (104, 685800755), (124, 575187730), (130, 548640604), (155, 460150184), (248, 287593865), (260, 274320302), (277, 257484760), (310, 230075092), (403, 176980840), (520, 137160151), (554, 128742380), (620, 115037546), (806, 88490420), (1108, 64371190), (1240, 57518773), (1385, 51496952), (1612, 44245210), (2015, 35396168), (2216, 32185595), (2770, 25748476), (3224, 22122605), (3601, 19806520), (4030, 17698084), (5540, 12874238), (7202, 9903260), (8060, 8849042), (8587, 8305960), (11080, 6437119), (14404, 4951630), (15973, 4465240), (16120, 4424521), (17174, 4152980), (18005, 3961304), (28808, 2475815), (31946, 2232620), (34348, 2076490), (36010, 1980652), (42935, 1661192), (63892, 1116310), (68696, 1038245), (72020, 990326), (79865, 893048), (85870, 830596), (111631, 638920), (127784, 558155), (144040, 495163), (159730, 446524), (171740, 415298), (207649, 343480), (223262, 319460)]