66616480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 190035720

約数和(自身を除く): 123419240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 293, 392, 406, 464, 490, 560, 580, 586, 784, 812, 928, 980, 1015, 1120, 1160, 1172, 1421, 1465, 1568, 1624, 1960, 2030, 2051, 2320, 2344, 2842, 2930, 3248, 3920, 4060, 4102, 4640, 4688, 5684, 5860, 6496, 7105, 7840, 8120, 8204, 8497, 9376, 10255, 11368, 11720, 14210, 14357, 16240, 16408, 16994, 20510, 22736, 23440, 28420, 28714, 32480, 32816, 33988, 41020, 42485, 45472, 46880, 56840, 57428, 59479, 65632, 67976, 71785, 82040, 84970, 113680, 114856, 118958, 135952, 143570, 164080, 169940, 227360, 229712, 237916, 271904, 287140, 297395, 328160, 339880, 416353, 459424, 475832, 574280, 594790, 679760, 832706, 951664, 1148560, 1189580, 1359520, 1665412, 1903328, 2081765, 2297120, 2379160, 3330824, 4163530, 4758320, 6661648, 8327060, 9516640, 13323296, 16654120, 33308240, 66616480]

約数ペア:

[(1, 66616480), (2, 33308240), (4, 16654120), (5, 13323296), (7, 9516640), (8, 8327060), (10, 6661648), (14, 4758320), (16, 4163530), (20, 3330824), (28, 2379160), (29, 2297120), (32, 2081765), (35, 1903328), (40, 1665412), (49, 1359520), (56, 1189580), (58, 1148560), (70, 951664), (80, 832706), (98, 679760), (112, 594790), (116, 574280), (140, 475832), (145, 459424), (160, 416353), (196, 339880), (203, 328160), (224, 297395), (232, 287140), (245, 271904), (280, 237916), (290, 229712), (293, 227360), (392, 169940), (406, 164080), (464, 143570), (490, 135952), (560, 118958), (580, 114856), (586, 113680), (784, 84970), (812, 82040), (928, 71785), (980, 67976), (1015, 65632), (1120, 59479), (1160, 57428), (1172, 56840), (1421, 46880), (1465, 45472), (1568, 42485), (1624, 41020), (1960, 33988), (2030, 32816), (2051, 32480), (2320, 28714), (2344, 28420), (2842, 23440), (2930, 22736), (3248, 20510), (3920, 16994), (4060, 16408), (4102, 16240), (4640, 14357), (4688, 14210), (5684, 11720), (5860, 11368), (6496, 10255), (7105, 9376), (7840, 8497), (8120, 8204)]