16782320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 41976480

約数和(自身を除く): 25194160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 181, 190, 244, 304, 305, 362, 380, 488, 610, 724, 760, 905, 976, 1159, 1220, 1448, 1520, 1810, 2318, 2440, 2896, 3439, 3620, 4636, 4880, 5795, 6878, 7240, 9272, 11041, 11590, 13756, 14480, 17195, 18544, 22082, 23180, 27512, 34390, 44164, 46360, 55024, 55205, 68780, 88328, 92720, 110410, 137560, 176656, 209779, 220820, 275120, 419558, 441640, 839116, 883280, 1048895, 1678232, 2097790, 3356464, 4195580, 8391160, 16782320]

約数ペア:

[(1, 16782320), (2, 8391160), (4, 4195580), (5, 3356464), (8, 2097790), (10, 1678232), (16, 1048895), (19, 883280), (20, 839116), (38, 441640), (40, 419558), (61, 275120), (76, 220820), (80, 209779), (95, 176656), (122, 137560), (152, 110410), (181, 92720), (190, 88328), (244, 68780), (304, 55205), (305, 55024), (362, 46360), (380, 44164), (488, 34390), (610, 27512), (724, 23180), (760, 22082), (905, 18544), (976, 17195), (1159, 14480), (1220, 13756), (1448, 11590), (1520, 11041), (1810, 9272), (2318, 7240), (2440, 6878), (2896, 5795), (3439, 4880), (3620, 4636)]