131479960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{593}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 310495680

約数和(自身を除く): 179015720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 241, 460, 482, 593, 920, 964, 1186, 1205, 1928, 2372, 2410, 2965, 4744, 4820, 5543, 5930, 9640, 11086, 11860, 13639, 22172, 23720, 27278, 27715, 44344, 54556, 55430, 68195, 109112, 110860, 136390, 142913, 221720, 272780, 285826, 545560, 571652, 714565, 1143304, 1429130, 2858260, 3286999, 5716520, 6573998, 13147996, 16434995, 26295992, 32869990, 65739980, 131479960]

約数ペア:

[(1, 131479960), (2, 65739980), (4, 32869990), (5, 26295992), (8, 16434995), (10, 13147996), (20, 6573998), (23, 5716520), (40, 3286999), (46, 2858260), (92, 1429130), (115, 1143304), (184, 714565), (230, 571652), (241, 545560), (460, 285826), (482, 272780), (593, 221720), (920, 142913), (964, 136390), (1186, 110860), (1205, 109112), (1928, 68195), (2372, 55430), (2410, 54556), (2965, 44344), (4744, 27715), (4820, 27278), (5543, 23720), (5930, 22172), (9640, 13639), (11086, 11860)]