66378400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:447

約数の個数: 144

約数和(自身を含む): 186550560

約数和(自身を除く): 120172160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 160, 176, 190, 200, 209, 220, 275, 304, 352, 380, 397, 400, 418, 440, 475, 550, 608, 760, 794, 800, 836, 880, 950, 1045, 1100, 1520, 1588, 1672, 1760, 1900, 1985, 2090, 2200, 3040, 3176, 3344, 3800, 3970, 4180, 4367, 4400, 5225, 6352, 6688, 7543, 7600, 7940, 8360, 8734, 8800, 9925, 10450, 12704, 15086, 15200, 15880, 16720, 17468, 19850, 20900, 21835, 30172, 31760, 33440, 34936, 37715, 39700, 41800, 43670, 60344, 63520, 69872, 75430, 79400, 82973, 83600, 87340, 109175, 120688, 139744, 150860, 158800, 165946, 167200, 174680, 188575, 218350, 241376, 301720, 317600, 331892, 349360, 377150, 414865, 436700, 603440, 663784, 698720, 754300, 829730, 873400, 1206880, 1327568, 1508600, 1659460, 1746800, 2074325, 2655136, 3017200, 3318920, 3493600, 4148650, 6034400, 6637840, 8297300, 13275680, 16594600, 33189200, 66378400]

約数ペア:

[(1, 66378400), (2, 33189200), (4, 16594600), (5, 13275680), (8, 8297300), (10, 6637840), (11, 6034400), (16, 4148650), (19, 3493600), (20, 3318920), (22, 3017200), (25, 2655136), (32, 2074325), (38, 1746800), (40, 1659460), (44, 1508600), (50, 1327568), (55, 1206880), (76, 873400), (80, 829730), (88, 754300), (95, 698720), (100, 663784), (110, 603440), (152, 436700), (160, 414865), (176, 377150), (190, 349360), (200, 331892), (209, 317600), (220, 301720), (275, 241376), (304, 218350), (352, 188575), (380, 174680), (397, 167200), (400, 165946), (418, 158800), (440, 150860), (475, 139744), (550, 120688), (608, 109175), (760, 87340), (794, 83600), (800, 82973), (836, 79400), (880, 75430), (950, 69872), (1045, 63520), (1100, 60344), (1520, 43670), (1588, 41800), (1672, 39700), (1760, 37715), (1900, 34936), (1985, 33440), (2090, 31760), (2200, 30172), (3040, 21835), (3176, 20900), (3344, 19850), (3800, 17468), (3970, 16720), (4180, 15880), (4367, 15200), (4400, 15086), (5225, 12704), (6352, 10450), (6688, 9925), (7543, 8800), (7600, 8734), (7940, 8360)]