31192960

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 81959040

約数和(自身を除く): 50766080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 61, 64, 68, 80, 85, 94, 122, 128, 136, 160, 170, 188, 235, 244, 272, 305, 320, 340, 376, 470, 488, 544, 610, 640, 680, 752, 799, 940, 976, 1037, 1088, 1220, 1360, 1504, 1598, 1880, 1952, 2074, 2176, 2440, 2720, 2867, 3008, 3196, 3760, 3904, 3995, 4148, 4880, 5185, 5440, 5734, 6016, 6392, 7520, 7808, 7990, 8296, 9760, 10370, 10880, 11468, 12784, 14335, 15040, 15980, 16592, 19520, 20740, 22936, 25568, 28670, 30080, 31960, 33184, 39040, 41480, 45872, 48739, 51136, 57340, 63920, 66368, 82960, 91744, 97478, 102272, 114680, 127840, 132736, 165920, 183488, 194956, 229360, 243695, 255680, 331840, 366976, 389912, 458720, 487390, 511360, 663680, 779824, 917440, 974780, 1559648, 1834880, 1949560, 3119296, 3899120, 6238592, 7798240, 15596480, 31192960]

約数ペア:

[(1, 31192960), (2, 15596480), (4, 7798240), (5, 6238592), (8, 3899120), (10, 3119296), (16, 1949560), (17, 1834880), (20, 1559648), (32, 974780), (34, 917440), (40, 779824), (47, 663680), (61, 511360), (64, 487390), (68, 458720), (80, 389912), (85, 366976), (94, 331840), (122, 255680), (128, 243695), (136, 229360), (160, 194956), (170, 183488), (188, 165920), (235, 132736), (244, 127840), (272, 114680), (305, 102272), (320, 97478), (340, 91744), (376, 82960), (470, 66368), (488, 63920), (544, 57340), (610, 51136), (640, 48739), (680, 45872), (752, 41480), (799, 39040), (940, 33184), (976, 31960), (1037, 30080), (1088, 28670), (1220, 25568), (1360, 22936), (1504, 20740), (1598, 19520), (1880, 16592), (1952, 15980), (2074, 15040), (2176, 14335), (2440, 12784), (2720, 11468), (2867, 10880), (3008, 10370), (3196, 9760), (3760, 8296), (3904, 7990), (3995, 7808), (4148, 7520), (4880, 6392), (5185, 6016), (5440, 5734)]