157256520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 496419840

約数和(自身を除く): 339163320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 227, 230, 251, 276, 345, 454, 460, 502, 552, 681, 690, 753, 908, 920, 1004, 1135, 1255, 1362, 1380, 1506, 1816, 2008, 2270, 2510, 2724, 2760, 3012, 3405, 3765, 4540, 5020, 5221, 5448, 5773, 6024, 6810, 7530, 9080, 10040, 10442, 11546, 13620, 15060, 15663, 17319, 20884, 23092, 26105, 27240, 28865, 30120, 31326, 34638, 41768, 46184, 52210, 56977, 57730, 62652, 69276, 78315, 86595, 104420, 113954, 115460, 125304, 138552, 156630, 170931, 173190, 208840, 227908, 230920, 284885, 313260, 341862, 346380, 455816, 569770, 626520, 683724, 692760, 854655, 1139540, 1310471, 1367448, 1709310, 2279080, 2620942, 3418620, 3931413, 5241884, 6552355, 6837240, 7862826, 10483768, 13104710, 15725652, 19657065, 26209420, 31451304, 39314130, 52418840, 78628260, 157256520]

約数ペア:

[(1, 157256520), (2, 78628260), (3, 52418840), (4, 39314130), (5, 31451304), (6, 26209420), (8, 19657065), (10, 15725652), (12, 13104710), (15, 10483768), (20, 7862826), (23, 6837240), (24, 6552355), (30, 5241884), (40, 3931413), (46, 3418620), (60, 2620942), (69, 2279080), (92, 1709310), (115, 1367448), (120, 1310471), (138, 1139540), (184, 854655), (227, 692760), (230, 683724), (251, 626520), (276, 569770), (345, 455816), (454, 346380), (460, 341862), (502, 313260), (552, 284885), (681, 230920), (690, 227908), (753, 208840), (908, 173190), (920, 170931), (1004, 156630), (1135, 138552), (1255, 125304), (1362, 115460), (1380, 113954), (1506, 104420), (1816, 86595), (2008, 78315), (2270, 69276), (2510, 62652), (2724, 57730), (2760, 56977), (3012, 52210), (3405, 46184), (3765, 41768), (4540, 34638), (5020, 31326), (5221, 30120), (5448, 28865), (5773, 27240), (6024, 26105), (6810, 23092), (7530, 20884), (9080, 17319), (10040, 15663), (10442, 15060), (11546, 13620)]