256627800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1043

約数の個数: 288

約数和(自身を含む): 1013528880

約数和(自身を除く): 756901080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 25, 26, 30, 33, 36, 39, 40, 44, 45, 50, 52, 55, 60, 65, 66, 72, 75, 78, 88, 90, 99, 100, 104, 110, 117, 120, 130, 132, 143, 150, 156, 165, 180, 195, 198, 200, 220, 225, 234, 260, 264, 275, 286, 300, 312, 325, 330, 360, 390, 396, 429, 440, 450, 468, 495, 520, 550, 572, 585, 600, 650, 660, 715, 780, 792, 825, 858, 900, 936, 975, 990, 997, 1100, 1144, 1170, 1287, 1300, 1320, 1430, 1560, 1650, 1716, 1800, 1950, 1980, 1994, 2145, 2200, 2340, 2475, 2574, 2600, 2860, 2925, 2991, 3300, 3432, 3575, 3900, 3960, 3988, 4290, 4680, 4950, 4985, 5148, 5720, 5850, 5982, 6435, 6600, 7150, 7800, 7976, 8580, 8973, 9900, 9970, 10296, 10725, 10967, 11700, 11964, 12870, 12961, 14300, 14955, 17160, 17946, 19800, 19940, 21450, 21934, 23400, 23928, 24925, 25740, 25922, 28600, 29910, 32175, 32901, 35892, 38883, 39880, 42900, 43868, 44865, 49850, 51480, 51844, 54835, 59820, 64350, 64805, 65802, 71784, 74775, 77766, 85800, 87736, 89730, 98703, 99700, 103688, 109670, 116649, 119640, 128700, 129610, 131604, 142571, 149550, 155532, 164505, 179460, 194415, 197406, 199400, 219340, 224325, 233298, 257400, 259220, 263208, 274175, 285142, 299100, 311064, 324025, 329010, 358920, 388830, 394812, 427713, 438680, 448650, 466596, 493515, 518440, 548350, 570284, 583245, 598200, 648050, 658020, 712855, 777660, 789624, 822525, 855426, 897300, 933192, 972075, 987030, 1096700, 1140568, 1166490, 1283139, 1296100, 1316040, 1425710, 1555320, 1645050, 1710852, 1794600, 1944150, 1974060, 2138565, 2193400, 2332980, 2467575, 2566278, 2592200, 2851420, 2916225, 3290100, 3421704, 3564275, 3888300, 3948120, 4277130, 4665960, 4935150, 5132556, 5702840, 5832450, 6415695, 6580200, 7128550, 7776600, 8554260, 9870300, 10265112, 10692825, 11664900, 12831390, 14257100, 17108520, 19740600, 21385650, 23329800, 25662780, 28514200, 32078475, 42771300, 51325560, 64156950, 85542600, 128313900, 256627800]

約数ペア:

[(1, 256627800), (2, 128313900), (3, 85542600), (4, 64156950), (5, 51325560), (6, 42771300), (8, 32078475), (9, 28514200), (10, 25662780), (11, 23329800), (12, 21385650), (13, 19740600), (15, 17108520), (18, 14257100), (20, 12831390), (22, 11664900), (24, 10692825), (25, 10265112), (26, 9870300), (30, 8554260), (33, 7776600), (36, 7128550), (39, 6580200), (40, 6415695), (44, 5832450), (45, 5702840), (50, 5132556), (52, 4935150), (55, 4665960), (60, 4277130), (65, 3948120), (66, 3888300), (72, 3564275), (75, 3421704), (78, 3290100), (88, 2916225), (90, 2851420), (99, 2592200), (100, 2566278), (104, 2467575), (110, 2332980), (117, 2193400), (120, 2138565), (130, 1974060), (132, 1944150), (143, 1794600), (150, 1710852), (156, 1645050), (165, 1555320), (180, 1425710), (195, 1316040), (198, 1296100), (200, 1283139), (220, 1166490), (225, 1140568), (234, 1096700), (260, 987030), (264, 972075), (275, 933192), (286, 897300), (300, 855426), (312, 822525), (325, 789624), (330, 777660), (360, 712855), (390, 658020), (396, 648050), (429, 598200), (440, 583245), (450, 570284), (468, 548350), (495, 518440), (520, 493515), (550, 466596), (572, 448650), (585, 438680), (600, 427713), (650, 394812), (660, 388830), (715, 358920), (780, 329010), (792, 324025), (825, 311064), (858, 299100), (900, 285142), (936, 274175), (975, 263208), (990, 259220), (997, 257400), (1100, 233298), (1144, 224325), (1170, 219340), (1287, 199400), (1300, 197406), (1320, 194415), (1430, 179460), (1560, 164505), (1650, 155532), (1716, 149550), (1800, 142571), (1950, 131604), (1980, 129610), (1994, 128700), (2145, 119640), (2200, 116649), (2340, 109670), (2475, 103688), (2574, 99700), (2600, 98703), (2860, 89730), (2925, 87736), (2991, 85800), (3300, 77766), (3432, 74775), (3575, 71784), (3900, 65802), (3960, 64805), (3988, 64350), (4290, 59820), (4680, 54835), (4950, 51844), (4985, 51480), (5148, 49850), (5720, 44865), (5850, 43868), (5982, 42900), (6435, 39880), (6600, 38883), (7150, 35892), (7800, 32901), (7976, 32175), (8580, 29910), (8973, 28600), (9900, 25922), (9970, 25740), (10296, 24925), (10725, 23928), (10967, 23400), (11700, 21934), (11964, 21450), (12870, 19940), (12961, 19800), (14300, 17946), (14955, 17160)]