278512920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1502

約数の個数: 192

約数和(自身を含む): 1048320000

約数和(自身を除く): 769807080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 79, 84, 90, 105, 120, 126, 140, 158, 168, 180, 210, 237, 252, 280, 315, 316, 360, 395, 420, 474, 504, 553, 630, 632, 711, 790, 840, 948, 1106, 1185, 1260, 1399, 1422, 1580, 1659, 1896, 2212, 2370, 2520, 2765, 2798, 2844, 3160, 3318, 3555, 4197, 4424, 4740, 4977, 5530, 5596, 5688, 6636, 6995, 7110, 8295, 8394, 9480, 9793, 9954, 11060, 11192, 12591, 13272, 13990, 14220, 16590, 16788, 19586, 19908, 20985, 22120, 24885, 25182, 27980, 28440, 29379, 33180, 33576, 39172, 39816, 41970, 48965, 49770, 50364, 55960, 58758, 62955, 66360, 78344, 83940, 88137, 97930, 99540, 100728, 110521, 117516, 125910, 146895, 167880, 176274, 195860, 199080, 221042, 235032, 251820, 293790, 331563, 352548, 391720, 440685, 442084, 503640, 552605, 587580, 663126, 705096, 773647, 881370, 884168, 994689, 1105210, 1175160, 1326252, 1547294, 1657815, 1762740, 1989378, 2210420, 2320941, 2652504, 3094588, 3315630, 3525480, 3868235, 3978756, 4420840, 4641882, 4973445, 6189176, 6631260, 6962823, 7736470, 7957512, 9283764, 9946890, 11604705, 13262520, 13925646, 15472940, 18567528, 19893780, 23209410, 27851292, 30945880, 34814115, 39787560, 46418820, 55702584, 69628230, 92837640, 139256460, 278512920]

約数ペア:

[(1, 278512920), (2, 139256460), (3, 92837640), (4, 69628230), (5, 55702584), (6, 46418820), (7, 39787560), (8, 34814115), (9, 30945880), (10, 27851292), (12, 23209410), (14, 19893780), (15, 18567528), (18, 15472940), (20, 13925646), (21, 13262520), (24, 11604705), (28, 9946890), (30, 9283764), (35, 7957512), (36, 7736470), (40, 6962823), (42, 6631260), (45, 6189176), (56, 4973445), (60, 4641882), (63, 4420840), (70, 3978756), (72, 3868235), (79, 3525480), (84, 3315630), (90, 3094588), (105, 2652504), (120, 2320941), (126, 2210420), (140, 1989378), (158, 1762740), (168, 1657815), (180, 1547294), (210, 1326252), (237, 1175160), (252, 1105210), (280, 994689), (315, 884168), (316, 881370), (360, 773647), (395, 705096), (420, 663126), (474, 587580), (504, 552605), (553, 503640), (630, 442084), (632, 440685), (711, 391720), (790, 352548), (840, 331563), (948, 293790), (1106, 251820), (1185, 235032), (1260, 221042), (1399, 199080), (1422, 195860), (1580, 176274), (1659, 167880), (1896, 146895), (2212, 125910), (2370, 117516), (2520, 110521), (2765, 100728), (2798, 99540), (2844, 97930), (3160, 88137), (3318, 83940), (3555, 78344), (4197, 66360), (4424, 62955), (4740, 58758), (4977, 55960), (5530, 50364), (5596, 49770), (5688, 48965), (6636, 41970), (6995, 39816), (7110, 39172), (8295, 33576), (8394, 33180), (9480, 29379), (9793, 28440), (9954, 27980), (11060, 25182), (11192, 24885), (12591, 22120), (13272, 20985), (13990, 19908), (14220, 19586), (16590, 16788)]