399740160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2539}}^1$

素因数の和:2604

約数の個数: 144

約数和(自身を含む): 1308323520

約数和(自身を除く): 908583360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 615, 640, 656, 768, 820, 960, 984, 1230, 1280, 1312, 1640, 1920, 1968, 2460, 2539, 2624, 3280, 3840, 3936, 4920, 5078, 5248, 6560, 7617, 7872, 9840, 10156, 10496, 12695, 13120, 15234, 15744, 19680, 20312, 25390, 26240, 30468, 31488, 38085, 39360, 40624, 50780, 52480, 60936, 76170, 78720, 81248, 101560, 104099, 121872, 152340, 157440, 162496, 203120, 208198, 243744, 304680, 312297, 324992, 406240, 416396, 487488, 520495, 609360, 624594, 649984, 812480, 832792, 974976, 1040990, 1218720, 1249188, 1561485, 1624960, 1665584, 1949952, 2081980, 2437440, 2498376, 3122970, 3249920, 3331168, 4163960, 4874880, 4996752, 6245940, 6662336, 8327920, 9749760, 9993504, 12491880, 13324672, 16655840, 19987008, 24983760, 26649344, 33311680, 39974016, 49967520, 66623360, 79948032, 99935040, 133246720, 199870080, 399740160]

約数ペア:

[(1, 399740160), (2, 199870080), (3, 133246720), (4, 99935040), (5, 79948032), (6, 66623360), (8, 49967520), (10, 39974016), (12, 33311680), (15, 26649344), (16, 24983760), (20, 19987008), (24, 16655840), (30, 13324672), (32, 12491880), (40, 9993504), (41, 9749760), (48, 8327920), (60, 6662336), (64, 6245940), (80, 4996752), (82, 4874880), (96, 4163960), (120, 3331168), (123, 3249920), (128, 3122970), (160, 2498376), (164, 2437440), (192, 2081980), (205, 1949952), (240, 1665584), (246, 1624960), (256, 1561485), (320, 1249188), (328, 1218720), (384, 1040990), (410, 974976), (480, 832792), (492, 812480), (615, 649984), (640, 624594), (656, 609360), (768, 520495), (820, 487488), (960, 416396), (984, 406240), (1230, 324992), (1280, 312297), (1312, 304680), (1640, 243744), (1920, 208198), (1968, 203120), (2460, 162496), (2539, 157440), (2624, 152340), (3280, 121872), (3840, 104099), (3936, 101560), (4920, 81248), (5078, 78720), (5248, 76170), (6560, 60936), (7617, 52480), (7872, 50780), (9840, 40624), (10156, 39360), (10496, 38085), (12695, 31488), (13120, 30468), (15234, 26240), (15744, 25390), (19680, 20312)]