78539520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 254453472

約数和(自身を除く): 175913952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 113, 120, 128, 160, 181, 192, 226, 240, 256, 320, 339, 362, 384, 452, 480, 543, 565, 640, 678, 724, 768, 904, 905, 960, 1086, 1130, 1280, 1356, 1448, 1695, 1808, 1810, 1920, 2172, 2260, 2712, 2715, 2896, 3390, 3616, 3620, 3840, 4344, 4520, 5424, 5430, 5792, 6780, 7232, 7240, 8688, 9040, 10848, 10860, 11584, 13560, 14464, 14480, 17376, 18080, 20453, 21696, 21720, 23168, 27120, 28928, 28960, 34752, 36160, 40906, 43392, 43440, 46336, 54240, 57920, 61359, 69504, 72320, 81812, 86784, 86880, 102265, 108480, 115840, 122718, 139008, 144640, 163624, 173760, 204530, 216960, 231680, 245436, 306795, 327248, 347520, 409060, 433920, 490872, 613590, 654496, 695040, 818120, 981744, 1227180, 1308992, 1636240, 1963488, 2454360, 2617984, 3272480, 3926976, 4908720, 5235968, 6544960, 7853952, 9817440, 13089920, 15707904, 19634880, 26179840, 39269760, 78539520]

約数ペア:

[(1, 78539520), (2, 39269760), (3, 26179840), (4, 19634880), (5, 15707904), (6, 13089920), (8, 9817440), (10, 7853952), (12, 6544960), (15, 5235968), (16, 4908720), (20, 3926976), (24, 3272480), (30, 2617984), (32, 2454360), (40, 1963488), (48, 1636240), (60, 1308992), (64, 1227180), (80, 981744), (96, 818120), (113, 695040), (120, 654496), (128, 613590), (160, 490872), (181, 433920), (192, 409060), (226, 347520), (240, 327248), (256, 306795), (320, 245436), (339, 231680), (362, 216960), (384, 204530), (452, 173760), (480, 163624), (543, 144640), (565, 139008), (640, 122718), (678, 115840), (724, 108480), (768, 102265), (904, 86880), (905, 86784), (960, 81812), (1086, 72320), (1130, 69504), (1280, 61359), (1356, 57920), (1448, 54240), (1695, 46336), (1808, 43440), (1810, 43392), (1920, 40906), (2172, 36160), (2260, 34752), (2712, 28960), (2715, 28928), (2896, 27120), (3390, 23168), (3616, 21720), (3620, 21696), (3840, 20453), (4344, 18080), (4520, 17376), (5424, 14480), (5430, 14464), (5792, 13560), (6780, 11584), (7232, 10860), (7240, 10848), (8688, 9040)]