128438400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:831

約数の個数: 192

約数和(自身を含む): 448498080

約数和(自身を除く): 320059680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 128, 136, 150, 160, 170, 192, 200, 204, 240, 255, 272, 300, 320, 340, 384, 400, 408, 425, 480, 510, 544, 600, 640, 680, 787, 800, 816, 850, 960, 1020, 1088, 1200, 1275, 1360, 1574, 1600, 1632, 1700, 1920, 2040, 2176, 2361, 2400, 2550, 2720, 3148, 3200, 3264, 3400, 3935, 4080, 4722, 4800, 5100, 5440, 6296, 6528, 6800, 7870, 8160, 9444, 9600, 10200, 10880, 11805, 12592, 13379, 13600, 15740, 16320, 18888, 19675, 20400, 23610, 25184, 26758, 27200, 31480, 32640, 37776, 39350, 40137, 40800, 47220, 50368, 53516, 54400, 59025, 62960, 66895, 75552, 78700, 80274, 81600, 94440, 100736, 107032, 118050, 125920, 133790, 151104, 157400, 160548, 163200, 188880, 200685, 214064, 236100, 251840, 267580, 302208, 314800, 321096, 334475, 377760, 401370, 428128, 472200, 503680, 535160, 629600, 642192, 668950, 755520, 802740, 856256, 944400, 1003425, 1070320, 1259200, 1284384, 1337900, 1511040, 1605480, 1712512, 1888800, 2006850, 2140640, 2518400, 2568768, 2675800, 3210960, 3777600, 4013700, 4281280, 5137536, 5351600, 6421920, 7555200, 8027400, 8562560, 10703200, 12843840, 16054800, 21406400, 25687680, 32109600, 42812800, 64219200, 128438400]

約数ペア:

[(1, 128438400), (2, 64219200), (3, 42812800), (4, 32109600), (5, 25687680), (6, 21406400), (8, 16054800), (10, 12843840), (12, 10703200), (15, 8562560), (16, 8027400), (17, 7555200), (20, 6421920), (24, 5351600), (25, 5137536), (30, 4281280), (32, 4013700), (34, 3777600), (40, 3210960), (48, 2675800), (50, 2568768), (51, 2518400), (60, 2140640), (64, 2006850), (68, 1888800), (75, 1712512), (80, 1605480), (85, 1511040), (96, 1337900), (100, 1284384), (102, 1259200), (120, 1070320), (128, 1003425), (136, 944400), (150, 856256), (160, 802740), (170, 755520), (192, 668950), (200, 642192), (204, 629600), (240, 535160), (255, 503680), (272, 472200), (300, 428128), (320, 401370), (340, 377760), (384, 334475), (400, 321096), (408, 314800), (425, 302208), (480, 267580), (510, 251840), (544, 236100), (600, 214064), (640, 200685), (680, 188880), (787, 163200), (800, 160548), (816, 157400), (850, 151104), (960, 133790), (1020, 125920), (1088, 118050), (1200, 107032), (1275, 100736), (1360, 94440), (1574, 81600), (1600, 80274), (1632, 78700), (1700, 75552), (1920, 66895), (2040, 62960), (2176, 59025), (2361, 54400), (2400, 53516), (2550, 50368), (2720, 47220), (3148, 40800), (3200, 40137), (3264, 39350), (3400, 37776), (3935, 32640), (4080, 31480), (4722, 27200), (4800, 26758), (5100, 25184), (5440, 23610), (6296, 20400), (6528, 19675), (6800, 18888), (7870, 16320), (8160, 15740), (9444, 13600), (9600, 13379), (10200, 12592), (10880, 11805)]