731189920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3943}}^1$

素因数の和:4038

約数の個数: 96

約数和(自身を含む): 1848631680

約数和(自身を除く): 1117441760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 76, 80, 95, 122, 152, 160, 190, 244, 304, 305, 380, 488, 608, 610, 760, 976, 1159, 1220, 1520, 1952, 2318, 2440, 3040, 3943, 4636, 4880, 5795, 7886, 9272, 9760, 11590, 15772, 18544, 19715, 23180, 31544, 37088, 39430, 46360, 63088, 74917, 78860, 92720, 126176, 149834, 157720, 185440, 240523, 299668, 315440, 374585, 481046, 599336, 630880, 749170, 962092, 1198672, 1202615, 1498340, 1924184, 2397344, 2405230, 2996680, 3848368, 4569937, 4810460, 5993360, 7696736, 9139874, 9620920, 11986720, 18279748, 19241840, 22849685, 36559496, 38483680, 45699370, 73118992, 91398740, 146237984, 182797480, 365594960, 731189920]

約数ペア:

[(1, 731189920), (2, 365594960), (4, 182797480), (5, 146237984), (8, 91398740), (10, 73118992), (16, 45699370), (19, 38483680), (20, 36559496), (32, 22849685), (38, 19241840), (40, 18279748), (61, 11986720), (76, 9620920), (80, 9139874), (95, 7696736), (122, 5993360), (152, 4810460), (160, 4569937), (190, 3848368), (244, 2996680), (304, 2405230), (305, 2397344), (380, 1924184), (488, 1498340), (608, 1202615), (610, 1198672), (760, 962092), (976, 749170), (1159, 630880), (1220, 599336), (1520, 481046), (1952, 374585), (2318, 315440), (2440, 299668), (3040, 240523), (3943, 185440), (4636, 157720), (4880, 149834), (5795, 126176), (7886, 92720), (9272, 78860), (9760, 74917), (11590, 63088), (15772, 46360), (18544, 39430), (19715, 37088), (23180, 31544)]