153700480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 388546560

約数和(自身を除く): 234846080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 127, 128, 155, 160, 244, 248, 254, 305, 310, 320, 488, 496, 508, 610, 620, 635, 640, 976, 992, 1016, 1220, 1240, 1270, 1891, 1952, 1984, 2032, 2440, 2480, 2540, 3782, 3904, 3937, 3968, 4064, 4880, 4960, 5080, 7564, 7747, 7808, 7874, 8128, 9455, 9760, 9920, 10160, 15128, 15494, 15748, 16256, 18910, 19520, 19685, 19840, 20320, 30256, 30988, 31496, 37820, 38735, 39040, 39370, 40640, 60512, 61976, 62992, 75640, 77470, 78740, 81280, 121024, 123952, 125984, 151280, 154940, 157480, 240157, 242048, 247904, 251968, 302560, 309880, 314960, 480314, 495808, 503936, 605120, 619760, 629920, 960628, 991616, 1200785, 1210240, 1239520, 1259840, 1921256, 2401570, 2479040, 2519680, 3842512, 4803140, 4958080, 7685024, 9606280, 15370048, 19212560, 30740096, 38425120, 76850240, 153700480]

約数ペア:

[(1, 153700480), (2, 76850240), (4, 38425120), (5, 30740096), (8, 19212560), (10, 15370048), (16, 9606280), (20, 7685024), (31, 4958080), (32, 4803140), (40, 3842512), (61, 2519680), (62, 2479040), (64, 2401570), (80, 1921256), (122, 1259840), (124, 1239520), (127, 1210240), (128, 1200785), (155, 991616), (160, 960628), (244, 629920), (248, 619760), (254, 605120), (305, 503936), (310, 495808), (320, 480314), (488, 314960), (496, 309880), (508, 302560), (610, 251968), (620, 247904), (635, 242048), (640, 240157), (976, 157480), (992, 154940), (1016, 151280), (1220, 125984), (1240, 123952), (1270, 121024), (1891, 81280), (1952, 78740), (1984, 77470), (2032, 75640), (2440, 62992), (2480, 61976), (2540, 60512), (3782, 40640), (3904, 39370), (3937, 39040), (3968, 38735), (4064, 37820), (4880, 31496), (4960, 30988), (5080, 30256), (7564, 20320), (7747, 19840), (7808, 19685), (7874, 19520), (8128, 18910), (9455, 16256), (9760, 15748), (9920, 15494), (10160, 15128)]