153934720

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3943}}^1$

素因数の和:4023

約数の個数: 64

約数和(自身を含む): 374127840

約数和(自身を除く): 220193120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 3943, 4880, 7808, 7886, 9760, 15772, 19520, 19715, 31544, 39040, 39430, 63088, 78860, 126176, 157720, 240523, 252352, 315440, 481046, 504704, 630880, 962092, 1202615, 1261760, 1924184, 2405230, 2523520, 3848368, 4810460, 7696736, 9620920, 15393472, 19241840, 30786944, 38483680, 76967360, 153934720]

約数ペア:

[(1, 153934720), (2, 76967360), (4, 38483680), (5, 30786944), (8, 19241840), (10, 15393472), (16, 9620920), (20, 7696736), (32, 4810460), (40, 3848368), (61, 2523520), (64, 2405230), (80, 1924184), (122, 1261760), (128, 1202615), (160, 962092), (244, 630880), (305, 504704), (320, 481046), (488, 315440), (610, 252352), (640, 240523), (976, 157720), (1220, 126176), (1952, 78860), (2440, 63088), (3904, 39430), (3943, 39040), (4880, 31544), (7808, 19715), (7886, 19520), (9760, 15772)]