86547280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{587}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 214361280

約数和(自身を除く): 127814000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 587, 760, 776, 970, 1174, 1520, 1552, 1843, 1940, 2348, 2935, 3686, 3880, 4696, 5870, 7372, 7760, 9215, 9392, 11153, 11740, 14744, 18430, 22306, 23480, 29488, 36860, 44612, 46960, 55765, 56939, 73720, 89224, 111530, 113878, 147440, 178448, 223060, 227756, 284695, 446120, 455512, 569390, 892240, 911024, 1081841, 1138780, 2163682, 2277560, 4327364, 4555120, 5409205, 8654728, 10818410, 17309456, 21636820, 43273640, 86547280]

約数ペア:

[(1, 86547280), (2, 43273640), (4, 21636820), (5, 17309456), (8, 10818410), (10, 8654728), (16, 5409205), (19, 4555120), (20, 4327364), (38, 2277560), (40, 2163682), (76, 1138780), (80, 1081841), (95, 911024), (97, 892240), (152, 569390), (190, 455512), (194, 446120), (304, 284695), (380, 227756), (388, 223060), (485, 178448), (587, 147440), (760, 113878), (776, 111530), (970, 89224), (1174, 73720), (1520, 56939), (1552, 55765), (1843, 46960), (1940, 44612), (2348, 36860), (2935, 29488), (3686, 23480), (3880, 22306), (4696, 18430), (5870, 14744), (7372, 11740), (7760, 11153), (9215, 9392)]