84720880

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 203156640

約数和(自身を除く): 118435760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 89, 146, 163, 178, 292, 326, 356, 365, 445, 584, 652, 712, 730, 815, 890, 1168, 1304, 1424, 1460, 1630, 1780, 2608, 2920, 3260, 3560, 5840, 6497, 6520, 7120, 11899, 12994, 13040, 14507, 23798, 25988, 29014, 32485, 47596, 51976, 58028, 59495, 64970, 72535, 95192, 103952, 116056, 118990, 129940, 145070, 190384, 232112, 237980, 259880, 290140, 475960, 519760, 580280, 951920, 1059011, 1160560, 2118022, 4236044, 5295055, 8472088, 10590110, 16944176, 21180220, 42360440, 84720880]

約数ペア:

[(1, 84720880), (2, 42360440), (4, 21180220), (5, 16944176), (8, 10590110), (10, 8472088), (16, 5295055), (20, 4236044), (40, 2118022), (73, 1160560), (80, 1059011), (89, 951920), (146, 580280), (163, 519760), (178, 475960), (292, 290140), (326, 259880), (356, 237980), (365, 232112), (445, 190384), (584, 145070), (652, 129940), (712, 118990), (730, 116056), (815, 103952), (890, 95192), (1168, 72535), (1304, 64970), (1424, 59495), (1460, 58028), (1630, 51976), (1780, 47596), (2608, 32485), (2920, 29014), (3260, 25988), (3560, 23798), (5840, 14507), (6497, 13040), (6520, 12994), (7120, 11899)]