78967040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 211921920

約数和(自身を除く): 132954880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 191, 256, 272, 304, 320, 323, 340, 380, 382, 544, 608, 640, 646, 680, 760, 764, 955, 1088, 1216, 1280, 1292, 1360, 1520, 1528, 1615, 1910, 2176, 2432, 2584, 2720, 3040, 3056, 3230, 3247, 3629, 3820, 4352, 4864, 5168, 5440, 6080, 6112, 6460, 6494, 7258, 7640, 10336, 10880, 12160, 12224, 12920, 12988, 14516, 15280, 16235, 18145, 20672, 21760, 24320, 24448, 25840, 25976, 29032, 30560, 32470, 36290, 41344, 48896, 51680, 51952, 58064, 61120, 61693, 64940, 72580, 82688, 103360, 103904, 116128, 122240, 123386, 129880, 145160, 206720, 207808, 232256, 244480, 246772, 259760, 290320, 308465, 413440, 415616, 464512, 493544, 519520, 580640, 616930, 831232, 929024, 987088, 1039040, 1161280, 1233860, 1974176, 2078080, 2322560, 2467720, 3948352, 4156160, 4645120, 4935440, 7896704, 9870880, 15793408, 19741760, 39483520, 78967040]

約数ペア:

[(1, 78967040), (2, 39483520), (4, 19741760), (5, 15793408), (8, 9870880), (10, 7896704), (16, 4935440), (17, 4645120), (19, 4156160), (20, 3948352), (32, 2467720), (34, 2322560), (38, 2078080), (40, 1974176), (64, 1233860), (68, 1161280), (76, 1039040), (80, 987088), (85, 929024), (95, 831232), (128, 616930), (136, 580640), (152, 519520), (160, 493544), (170, 464512), (190, 415616), (191, 413440), (256, 308465), (272, 290320), (304, 259760), (320, 246772), (323, 244480), (340, 232256), (380, 207808), (382, 206720), (544, 145160), (608, 129880), (640, 123386), (646, 122240), (680, 116128), (760, 103904), (764, 103360), (955, 82688), (1088, 72580), (1216, 64940), (1280, 61693), (1292, 61120), (1360, 58064), (1520, 51952), (1528, 51680), (1615, 48896), (1910, 41344), (2176, 36290), (2432, 32470), (2584, 30560), (2720, 29032), (3040, 25976), (3056, 25840), (3230, 24448), (3247, 24320), (3629, 21760), (3820, 20672), (4352, 18145), (4864, 16235), (5168, 15280), (5440, 14516), (6080, 12988), (6112, 12920), (6460, 12224), (6494, 12160), (7258, 10880), (7640, 10336)]