215511504

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:925

約数の個数: 120

約数和(自身を含む): 623031552

約数和(自身を除く): 407520048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 169, 186, 208, 248, 312, 338, 372, 403, 496, 507, 624, 676, 744, 806, 857, 1014, 1209, 1352, 1488, 1612, 1714, 2028, 2418, 2571, 2704, 3224, 3428, 4056, 4836, 5142, 5239, 6448, 6856, 8112, 9672, 10284, 10478, 11141, 13712, 15717, 19344, 20568, 20956, 22282, 26567, 31434, 33423, 41136, 41912, 44564, 53134, 62868, 66846, 79701, 83824, 89128, 106268, 125736, 133692, 144833, 159402, 178256, 212536, 251472, 267384, 289666, 318804, 345371, 425072, 434499, 534768, 579332, 637608, 690742, 868998, 1036113, 1158664, 1275216, 1381484, 1737996, 2072226, 2317328, 2762968, 3475992, 4144452, 4489823, 5525936, 6951984, 8288904, 8979646, 13469469, 16577808, 17959292, 26938938, 35918584, 53877876, 71837168, 107755752, 215511504]

約数ペア:

[(1, 215511504), (2, 107755752), (3, 71837168), (4, 53877876), (6, 35918584), (8, 26938938), (12, 17959292), (13, 16577808), (16, 13469469), (24, 8979646), (26, 8288904), (31, 6951984), (39, 5525936), (48, 4489823), (52, 4144452), (62, 3475992), (78, 2762968), (93, 2317328), (104, 2072226), (124, 1737996), (156, 1381484), (169, 1275216), (186, 1158664), (208, 1036113), (248, 868998), (312, 690742), (338, 637608), (372, 579332), (403, 534768), (496, 434499), (507, 425072), (624, 345371), (676, 318804), (744, 289666), (806, 267384), (857, 251472), (1014, 212536), (1209, 178256), (1352, 159402), (1488, 144833), (1612, 133692), (1714, 125736), (2028, 106268), (2418, 89128), (2571, 83824), (2704, 79701), (3224, 66846), (3428, 62868), (4056, 53134), (4836, 44564), (5142, 41912), (5239, 41136), (6448, 33423), (6856, 31434), (8112, 26567), (9672, 22282), (10284, 20956), (10478, 20568), (11141, 19344), (13712, 15717)]