90042880

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2069}}^1$

素因数の和:2109

約数の個数: 80

約数和(自身を含む): 228701880

約数和(自身を除く): 138659000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2069, 2176, 2560, 2720, 4138, 4352, 5440, 8276, 8704, 10345, 10880, 16552, 20690, 21760, 33104, 35173, 41380, 43520, 66208, 70346, 82760, 132416, 140692, 165520, 175865, 264832, 281384, 331040, 351730, 529664, 562768, 662080, 703460, 1059328, 1125536, 1324160, 1406920, 2251072, 2648320, 2813840, 4502144, 5296640, 5627680, 9004288, 11255360, 18008576, 22510720, 45021440, 90042880]

約数ペア:

[(1, 90042880), (2, 45021440), (4, 22510720), (5, 18008576), (8, 11255360), (10, 9004288), (16, 5627680), (17, 5296640), (20, 4502144), (32, 2813840), (34, 2648320), (40, 2251072), (64, 1406920), (68, 1324160), (80, 1125536), (85, 1059328), (128, 703460), (136, 662080), (160, 562768), (170, 529664), (256, 351730), (272, 331040), (320, 281384), (340, 264832), (512, 175865), (544, 165520), (640, 140692), (680, 132416), (1088, 82760), (1280, 70346), (1360, 66208), (2069, 43520), (2176, 41380), (2560, 35173), (2720, 33104), (4138, 21760), (4352, 20690), (5440, 16552), (8276, 10880), (8704, 10345)]