76876280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 203212800

約数和(自身を除く): 126336520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 247, 248, 251, 260, 310, 380, 403, 494, 502, 520, 589, 620, 760, 806, 988, 1004, 1178, 1235, 1240, 1255, 1612, 1976, 2008, 2015, 2356, 2470, 2510, 2945, 3224, 3263, 4030, 4712, 4769, 4940, 5020, 5890, 6526, 7657, 7781, 8060, 9538, 9880, 10040, 11780, 13052, 15314, 15562, 16120, 16315, 19076, 23560, 23845, 26104, 30628, 31124, 32630, 38152, 38285, 38905, 47690, 61256, 61997, 62248, 65260, 76570, 77810, 95380, 101153, 123994, 130520, 147839, 153140, 155620, 190760, 202306, 247988, 295678, 306280, 309985, 311240, 404612, 495976, 505765, 591356, 619970, 739195, 809224, 1011530, 1182712, 1239940, 1478390, 1921907, 2023060, 2479880, 2956780, 3843814, 4046120, 5913560, 7687628, 9609535, 15375256, 19219070, 38438140, 76876280]

約数ペア:

[(1, 76876280), (2, 38438140), (4, 19219070), (5, 15375256), (8, 9609535), (10, 7687628), (13, 5913560), (19, 4046120), (20, 3843814), (26, 2956780), (31, 2479880), (38, 2023060), (40, 1921907), (52, 1478390), (62, 1239940), (65, 1182712), (76, 1011530), (95, 809224), (104, 739195), (124, 619970), (130, 591356), (152, 505765), (155, 495976), (190, 404612), (247, 311240), (248, 309985), (251, 306280), (260, 295678), (310, 247988), (380, 202306), (403, 190760), (494, 155620), (502, 153140), (520, 147839), (589, 130520), (620, 123994), (760, 101153), (806, 95380), (988, 77810), (1004, 76570), (1178, 65260), (1235, 62248), (1240, 61997), (1255, 61256), (1612, 47690), (1976, 38905), (2008, 38285), (2015, 38152), (2356, 32630), (2470, 31124), (2510, 30628), (2945, 26104), (3224, 23845), (3263, 23560), (4030, 19076), (4712, 16315), (4769, 16120), (4940, 15562), (5020, 15314), (5890, 13052), (6526, 11780), (7657, 10040), (7781, 9880), (8060, 9538)]