81766880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2069}}^1$

素因数の和:2116

約数の個数: 96

約数和(自身を含む): 219088800

約数和(自身を除く): 137321920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2069, 2080, 2470, 3040, 3952, 4138, 4940, 7904, 8276, 9880, 10345, 16552, 19760, 20690, 26897, 33104, 39311, 39520, 41380, 53794, 66208, 78622, 82760, 107588, 134485, 157244, 165520, 196555, 215176, 268970, 314488, 331040, 393110, 430352, 511043, 537940, 628976, 786220, 860704, 1022086, 1075880, 1257952, 1572440, 2044172, 2151760, 2555215, 3144880, 4088344, 4303520, 5110430, 6289760, 8176688, 10220860, 16353376, 20441720, 40883440, 81766880]

約数ペア:

[(1, 81766880), (2, 40883440), (4, 20441720), (5, 16353376), (8, 10220860), (10, 8176688), (13, 6289760), (16, 5110430), (19, 4303520), (20, 4088344), (26, 3144880), (32, 2555215), (38, 2151760), (40, 2044172), (52, 1572440), (65, 1257952), (76, 1075880), (80, 1022086), (95, 860704), (104, 786220), (130, 628976), (152, 537940), (160, 511043), (190, 430352), (208, 393110), (247, 331040), (260, 314488), (304, 268970), (380, 215176), (416, 196555), (494, 165520), (520, 157244), (608, 134485), (760, 107588), (988, 82760), (1040, 78622), (1235, 66208), (1520, 53794), (1976, 41380), (2069, 39520), (2080, 39311), (2470, 33104), (3040, 26897), (3952, 20690), (4138, 19760), (4940, 16552), (7904, 10345), (8276, 9880)]