68640372

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 191571072

約数和(自身を除く): 122930700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 61, 69, 81, 92, 108, 122, 138, 151, 162, 183, 207, 244, 276, 302, 324, 366, 414, 453, 549, 604, 621, 732, 828, 906, 1098, 1242, 1359, 1403, 1647, 1812, 1863, 2196, 2484, 2718, 2806, 3294, 3473, 3726, 4077, 4209, 4941, 5436, 5612, 6588, 6946, 7452, 8154, 8418, 9211, 9882, 10419, 12231, 12627, 13892, 16308, 16836, 18422, 19764, 20838, 24462, 25254, 27633, 31257, 36844, 37881, 41676, 48924, 50508, 55266, 62514, 75762, 82899, 93771, 110532, 113643, 125028, 151524, 165798, 187542, 211853, 227286, 248697, 281313, 331596, 375084, 423706, 454572, 497394, 562626, 635559, 746091, 847412, 994788, 1125252, 1271118, 1492182, 1906677, 2542236, 2984364, 3813354, 5720031, 7626708, 11440062, 17160093, 22880124, 34320186, 68640372]

約数ペア:

[(1, 68640372), (2, 34320186), (3, 22880124), (4, 17160093), (6, 11440062), (9, 7626708), (12, 5720031), (18, 3813354), (23, 2984364), (27, 2542236), (36, 1906677), (46, 1492182), (54, 1271118), (61, 1125252), (69, 994788), (81, 847412), (92, 746091), (108, 635559), (122, 562626), (138, 497394), (151, 454572), (162, 423706), (183, 375084), (207, 331596), (244, 281313), (276, 248697), (302, 227286), (324, 211853), (366, 187542), (414, 165798), (453, 151524), (549, 125028), (604, 113643), (621, 110532), (732, 93771), (828, 82899), (906, 75762), (1098, 62514), (1242, 55266), (1359, 50508), (1403, 48924), (1647, 41676), (1812, 37881), (1863, 36844), (2196, 31257), (2484, 27633), (2718, 25254), (2806, 24462), (3294, 20838), (3473, 19764), (3726, 18422), (4077, 16836), (4209, 16308), (4941, 13892), (5436, 12627), (5612, 12231), (6588, 10419), (6946, 9882), (7452, 9211), (8154, 8418)]