37978720

素因数分解:

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

素因数の和:109

約数の個数: 144

約数和(自身を含む): 105099120

約数和(自身を除く): 67120400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 380, 403, 416, 494, 496, 520, 589, 608, 620, 760, 806, 961, 988, 992, 1040, 1178, 1235, 1240, 1520, 1612, 1922, 1976, 2015, 2080, 2356, 2470, 2480, 2945, 3040, 3224, 3844, 3952, 4030, 4712, 4805, 4940, 4960, 5890, 6448, 7657, 7688, 7904, 8060, 9424, 9610, 9880, 11780, 12493, 12896, 15314, 15376, 16120, 18259, 18848, 19220, 19760, 23560, 24986, 30628, 30752, 32240, 36518, 38285, 38440, 39520, 47120, 49972, 61256, 62465, 64480, 73036, 76570, 76880, 91295, 94240, 99944, 122512, 124930, 146072, 153140, 153760, 182590, 199888, 237367, 245024, 249860, 292144, 306280, 365180, 399776, 474734, 499720, 584288, 612560, 730360, 949468, 999440, 1186835, 1225120, 1460720, 1898936, 1998880, 2373670, 2921440, 3797872, 4747340, 7595744, 9494680, 18989360, 37978720]

約数ペア:

[(1, 37978720), (2, 18989360), (4, 9494680), (5, 7595744), (8, 4747340), (10, 3797872), (13, 2921440), (16, 2373670), (19, 1998880), (20, 1898936), (26, 1460720), (31, 1225120), (32, 1186835), (38, 999440), (40, 949468), (52, 730360), (62, 612560), (65, 584288), (76, 499720), (80, 474734), (95, 399776), (104, 365180), (124, 306280), (130, 292144), (152, 249860), (155, 245024), (160, 237367), (190, 199888), (208, 182590), (247, 153760), (248, 153140), (260, 146072), (304, 124930), (310, 122512), (380, 99944), (403, 94240), (416, 91295), (494, 76880), (496, 76570), (520, 73036), (589, 64480), (608, 62465), (620, 61256), (760, 49972), (806, 47120), (961, 39520), (988, 38440), (992, 38285), (1040, 36518), (1178, 32240), (1235, 30752), (1240, 30628), (1520, 24986), (1612, 23560), (1922, 19760), (1976, 19220), (2015, 18848), (2080, 18259), (2356, 16120), (2470, 15376), (2480, 15314), (2945, 12896), (3040, 12493), (3224, 11780), (3844, 9880), (3952, 9610), (4030, 9424), (4712, 8060), (4805, 7904), (4940, 7688), (4960, 7657), (5890, 6448)]