77881680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4703}}^1$

素因数の和:4745

約数の個数: 120

約数和(自身を含む): 272982528

約数和(自身を除く): 195100848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 4703, 5520, 8280, 9406, 14109, 16560, 18812, 23515, 28218, 37624, 42327, 47030, 56436, 70545, 75248, 84654, 94060, 108169, 112872, 141090, 169308, 188120, 211635, 216338, 225744, 282180, 324507, 338616, 376240, 423270, 432676, 540845, 564360, 649014, 677232, 846540, 865352, 973521, 1081690, 1128720, 1298028, 1622535, 1693080, 1730704, 1947042, 2163380, 2596056, 3245070, 3386160, 3894084, 4326760, 4867605, 5192112, 6490140, 7788168, 8653520, 9735210, 12980280, 15576336, 19470420, 25960560, 38940840, 77881680]

約数ペア:

[(1, 77881680), (2, 38940840), (3, 25960560), (4, 19470420), (5, 15576336), (6, 12980280), (8, 9735210), (9, 8653520), (10, 7788168), (12, 6490140), (15, 5192112), (16, 4867605), (18, 4326760), (20, 3894084), (23, 3386160), (24, 3245070), (30, 2596056), (36, 2163380), (40, 1947042), (45, 1730704), (46, 1693080), (48, 1622535), (60, 1298028), (69, 1128720), (72, 1081690), (80, 973521), (90, 865352), (92, 846540), (115, 677232), (120, 649014), (138, 564360), (144, 540845), (180, 432676), (184, 423270), (207, 376240), (230, 338616), (240, 324507), (276, 282180), (345, 225744), (360, 216338), (368, 211635), (414, 188120), (460, 169308), (552, 141090), (690, 112872), (720, 108169), (828, 94060), (920, 84654), (1035, 75248), (1104, 70545), (1380, 56436), (1656, 47030), (1840, 42327), (2070, 37624), (2760, 28218), (3312, 23515), (4140, 18812), (4703, 16560), (5520, 14109), (8280, 9406)]