1815666480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:468

約数の個数: 240

約数和(自身を含む): 6246564480

約数和(自身を除く): 4430898000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 137, 144, 158, 180, 233, 237, 240, 274, 316, 360, 395, 411, 466, 474, 548, 632, 685, 699, 711, 720, 790, 822, 932, 948, 1096, 1165, 1185, 1233, 1264, 1370, 1398, 1422, 1580, 1644, 1864, 1896, 2055, 2097, 2192, 2330, 2370, 2466, 2740, 2796, 2844, 3160, 3288, 3495, 3555, 3728, 3792, 4110, 4194, 4660, 4740, 4932, 5480, 5592, 5688, 6165, 6320, 6576, 6990, 7110, 8220, 8388, 9320, 9480, 9864, 10485, 10823, 10960, 11184, 11376, 12330, 13980, 14220, 16440, 16776, 18407, 18640, 18960, 19728, 20970, 21646, 24660, 27960, 28440, 31921, 32469, 32880, 33552, 36814, 41940, 43292, 49320, 54115, 55221, 55920, 56880, 63842, 64938, 73628, 83880, 86584, 92035, 95763, 97407, 98640, 108230, 110442, 127684, 129876, 147256, 159605, 162345, 165663, 167760, 173168, 184070, 191526, 194814, 216460, 220884, 255368, 259752, 276105, 287289, 294512, 319210, 324690, 331326, 368140, 383052, 389628, 432920, 441768, 478815, 487035, 510736, 519504, 552210, 574578, 638420, 649380, 662652, 736280, 766104, 779256, 828315, 865840, 883536, 957630, 974070, 1104420, 1149156, 1276840, 1298760, 1325304, 1436445, 1472560, 1532208, 1558512, 1656630, 1915260, 1948140, 2208840, 2298312, 2521759, 2553680, 2597520, 2650608, 2872890, 3313260, 3830520, 3896280, 4417680, 4596624, 5043518, 5745780, 6626520, 7565277, 7661040, 7792560, 10087036, 11491560, 12608795, 13253040, 15130554, 20174072, 22695831, 22983120, 25217590, 30261108, 37826385, 40348144, 45391662, 50435180, 60522216, 75652770, 90783324, 100870360, 113479155, 121044432, 151305540, 181566648, 201740720, 226958310, 302611080, 363133296, 453916620, 605222160, 907833240, 1815666480]

約数ペア:

[(1, 1815666480), (2, 907833240), (3, 605222160), (4, 453916620), (5, 363133296), (6, 302611080), (8, 226958310), (9, 201740720), (10, 181566648), (12, 151305540), (15, 121044432), (16, 113479155), (18, 100870360), (20, 90783324), (24, 75652770), (30, 60522216), (36, 50435180), (40, 45391662), (45, 40348144), (48, 37826385), (60, 30261108), (72, 25217590), (79, 22983120), (80, 22695831), (90, 20174072), (120, 15130554), (137, 13253040), (144, 12608795), (158, 11491560), (180, 10087036), (233, 7792560), (237, 7661040), (240, 7565277), (274, 6626520), (316, 5745780), (360, 5043518), (395, 4596624), (411, 4417680), (466, 3896280), (474, 3830520), (548, 3313260), (632, 2872890), (685, 2650608), (699, 2597520), (711, 2553680), (720, 2521759), (790, 2298312), (822, 2208840), (932, 1948140), (948, 1915260), (1096, 1656630), (1165, 1558512), (1185, 1532208), (1233, 1472560), (1264, 1436445), (1370, 1325304), (1398, 1298760), (1422, 1276840), (1580, 1149156), (1644, 1104420), (1864, 974070), (1896, 957630), (2055, 883536), (2097, 865840), (2192, 828315), (2330, 779256), (2370, 766104), (2466, 736280), (2740, 662652), (2796, 649380), (2844, 638420), (3160, 574578), (3288, 552210), (3495, 519504), (3555, 510736), (3728, 487035), (3792, 478815), (4110, 441768), (4194, 432920), (4660, 389628), (4740, 383052), (4932, 368140), (5480, 331326), (5592, 324690), (5688, 319210), (6165, 294512), (6320, 287289), (6576, 276105), (6990, 259752), (7110, 255368), (8220, 220884), (8388, 216460), (9320, 194814), (9480, 191526), (9864, 184070), (10485, 173168), (10823, 167760), (10960, 165663), (11184, 162345), (11376, 159605), (12330, 147256), (13980, 129876), (14220, 127684), (16440, 110442), (16776, 108230), (18407, 98640), (18640, 97407), (18960, 95763), (19728, 92035), (20970, 86584), (21646, 83880), (24660, 73628), (27960, 64938), (28440, 63842), (31921, 56880), (32469, 55920), (32880, 55221), (33552, 54115), (36814, 49320), (41940, 43292)]