72571520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 201519360

約数和(自身を除く): 128947840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 128, 140, 160, 167, 194, 224, 280, 320, 334, 388, 448, 485, 560, 640, 668, 679, 776, 835, 896, 970, 1120, 1169, 1336, 1358, 1552, 1670, 1940, 2240, 2338, 2672, 2716, 3104, 3340, 3395, 3880, 4480, 4676, 5344, 5432, 5845, 6208, 6680, 6790, 7760, 9352, 10688, 10864, 11690, 12416, 13360, 13580, 15520, 16199, 18704, 21376, 21728, 23380, 26720, 27160, 31040, 32398, 37408, 43456, 46760, 53440, 54320, 62080, 64796, 74816, 80995, 86912, 93520, 106880, 108640, 113393, 129592, 149632, 161990, 187040, 217280, 226786, 259184, 323980, 374080, 434560, 453572, 518368, 566965, 647960, 748160, 907144, 1036736, 1133930, 1295920, 1814288, 2073472, 2267860, 2591840, 3628576, 4535720, 5183680, 7257152, 9071440, 10367360, 14514304, 18142880, 36285760, 72571520]

約数ペア:

[(1, 72571520), (2, 36285760), (4, 18142880), (5, 14514304), (7, 10367360), (8, 9071440), (10, 7257152), (14, 5183680), (16, 4535720), (20, 3628576), (28, 2591840), (32, 2267860), (35, 2073472), (40, 1814288), (56, 1295920), (64, 1133930), (70, 1036736), (80, 907144), (97, 748160), (112, 647960), (128, 566965), (140, 518368), (160, 453572), (167, 434560), (194, 374080), (224, 323980), (280, 259184), (320, 226786), (334, 217280), (388, 187040), (448, 161990), (485, 149632), (560, 129592), (640, 113393), (668, 108640), (679, 106880), (776, 93520), (835, 86912), (896, 80995), (970, 74816), (1120, 64796), (1169, 62080), (1336, 54320), (1358, 53440), (1552, 46760), (1670, 43456), (1940, 37408), (2240, 32398), (2338, 31040), (2672, 27160), (2716, 26720), (3104, 23380), (3340, 21728), (3395, 21376), (3880, 18704), (4480, 16199), (4676, 15520), (5344, 13580), (5432, 13360), (5845, 12416), (6208, 11690), (6680, 10864), (6790, 10688), (7760, 9352)]