73918720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 194261760

約数和(自身を除く): 120343040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 79, 80, 85, 86, 128, 136, 158, 160, 170, 172, 215, 256, 272, 316, 320, 340, 344, 395, 430, 544, 632, 640, 680, 688, 731, 790, 860, 1088, 1264, 1280, 1343, 1360, 1376, 1462, 1580, 1720, 2176, 2528, 2686, 2720, 2752, 2924, 3160, 3397, 3440, 3655, 4352, 5056, 5372, 5440, 5504, 5848, 6320, 6715, 6794, 6880, 7310, 10112, 10744, 10880, 11008, 11696, 12640, 13430, 13588, 13760, 14620, 16985, 20224, 21488, 21760, 23392, 25280, 26860, 27176, 27520, 29240, 33970, 42976, 46784, 50560, 53720, 54352, 55040, 57749, 58480, 67940, 85952, 93568, 101120, 107440, 108704, 115498, 116960, 135880, 171904, 187136, 214880, 217408, 230996, 233920, 271760, 288745, 343808, 429760, 434816, 461992, 467840, 543520, 577490, 859520, 869632, 923984, 935680, 1087040, 1154980, 1719040, 1847968, 2174080, 2309960, 3695936, 4348160, 4619920, 7391872, 9239840, 14783744, 18479680, 36959360, 73918720]

約数ペア:

[(1, 73918720), (2, 36959360), (4, 18479680), (5, 14783744), (8, 9239840), (10, 7391872), (16, 4619920), (17, 4348160), (20, 3695936), (32, 2309960), (34, 2174080), (40, 1847968), (43, 1719040), (64, 1154980), (68, 1087040), (79, 935680), (80, 923984), (85, 869632), (86, 859520), (128, 577490), (136, 543520), (158, 467840), (160, 461992), (170, 434816), (172, 429760), (215, 343808), (256, 288745), (272, 271760), (316, 233920), (320, 230996), (340, 217408), (344, 214880), (395, 187136), (430, 171904), (544, 135880), (632, 116960), (640, 115498), (680, 108704), (688, 107440), (731, 101120), (790, 93568), (860, 85952), (1088, 67940), (1264, 58480), (1280, 57749), (1343, 55040), (1360, 54352), (1376, 53720), (1462, 50560), (1580, 46784), (1720, 42976), (2176, 33970), (2528, 29240), (2686, 27520), (2720, 27176), (2752, 26860), (2924, 25280), (3160, 23392), (3397, 21760), (3440, 21488), (3655, 20224), (4352, 16985), (5056, 14620), (5372, 13760), (5440, 13588), (5504, 13430), (5848, 12640), (6320, 11696), (6715, 11008), (6794, 10880), (6880, 10744), (7310, 10112)]