399872640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12251}}^1$

素因数の和:12290

約数の個数: 128

約数和(自身を含む): 1349680320

約数和(自身を除く): 949807680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 10880, 12251, 16320, 24502, 32640, 36753, 49004, 61255, 73506, 98008, 122510, 147012, 183765, 196016, 208267, 245020, 294024, 367530, 392032, 416534, 490040, 588048, 624801, 735060, 784064, 833068, 980080, 1041335, 1176096, 1249602, 1470120, 1568128, 1666136, 1960160, 2082670, 2352192, 2499204, 2940240, 3124005, 3332272, 3920320, 4165340, 4704384, 4998408, 5880480, 6248010, 6664544, 7840640, 8330680, 9996816, 11760960, 12496020, 13329088, 16661360, 19993632, 23521920, 24992040, 26658176, 33322720, 39987264, 49984080, 66645440, 79974528, 99968160, 133290880, 199936320, 399872640]

約数ペア:

[(1, 399872640), (2, 199936320), (3, 133290880), (4, 99968160), (5, 79974528), (6, 66645440), (8, 49984080), (10, 39987264), (12, 33322720), (15, 26658176), (16, 24992040), (17, 23521920), (20, 19993632), (24, 16661360), (30, 13329088), (32, 12496020), (34, 11760960), (40, 9996816), (48, 8330680), (51, 7840640), (60, 6664544), (64, 6248010), (68, 5880480), (80, 4998408), (85, 4704384), (96, 4165340), (102, 3920320), (120, 3332272), (128, 3124005), (136, 2940240), (160, 2499204), (170, 2352192), (192, 2082670), (204, 1960160), (240, 1666136), (255, 1568128), (272, 1470120), (320, 1249602), (340, 1176096), (384, 1041335), (408, 980080), (480, 833068), (510, 784064), (544, 735060), (640, 624801), (680, 588048), (816, 490040), (960, 416534), (1020, 392032), (1088, 367530), (1360, 294024), (1632, 245020), (1920, 208267), (2040, 196016), (2176, 183765), (2720, 147012), (3264, 122510), (4080, 98008), (5440, 73506), (6528, 61255), (8160, 49004), (10880, 36753), (12251, 32640), (16320, 24502)]