205138440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:821

約数の個数: 256

約数和(自身を含む): 776160000

約数和(自身を除く): 571021560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 171, 180, 190, 195, 216, 228, 234, 247, 260, 270, 285, 312, 342, 351, 360, 380, 390, 456, 468, 494, 513, 520, 540, 570, 585, 684, 702, 741, 760, 769, 780, 855, 936, 988, 1026, 1080, 1140, 1170, 1235, 1368, 1404, 1482, 1538, 1560, 1710, 1755, 1976, 2052, 2223, 2280, 2307, 2340, 2470, 2565, 2808, 2964, 3076, 3420, 3510, 3705, 3845, 4104, 4446, 4614, 4680, 4940, 5130, 5928, 6152, 6669, 6840, 6921, 7020, 7410, 7690, 8892, 9228, 9880, 9997, 10260, 11115, 11535, 13338, 13842, 14040, 14611, 14820, 15380, 17784, 18456, 19994, 20520, 20763, 22230, 23070, 26676, 27684, 29222, 29640, 29991, 30760, 33345, 34605, 39988, 41526, 43833, 44460, 46140, 49985, 53352, 55368, 58444, 59982, 66690, 69210, 73055, 79976, 83052, 87666, 88920, 89973, 92280, 99970, 103815, 116888, 119964, 131499, 133380, 138420, 146110, 149955, 166104, 175332, 179946, 189943, 199940, 207630, 219165, 239928, 262998, 266760, 269919, 276840, 292220, 299910, 350664, 359892, 379886, 394497, 399880, 415260, 438330, 449865, 525996, 539838, 569829, 584440, 599820, 657495, 719784, 759772, 788994, 830520, 876660, 899730, 949715, 1051992, 1079676, 1139658, 1199640, 1314990, 1349595, 1519544, 1577988, 1709487, 1753320, 1799460, 1899430, 1972485, 2159352, 2279316, 2629980, 2699190, 2849145, 3155976, 3418974, 3598920, 3798860, 3944970, 4558632, 5128461, 5259960, 5398380, 5698290, 6837948, 7597720, 7889940, 8547435, 10256922, 10796760, 11396580, 13675896, 15779880, 17094870, 20513844, 22793160, 25642305, 34189740, 41027688, 51284610, 68379480, 102569220, 205138440]

約数ペア:

[(1, 205138440), (2, 102569220), (3, 68379480), (4, 51284610), (5, 41027688), (6, 34189740), (8, 25642305), (9, 22793160), (10, 20513844), (12, 17094870), (13, 15779880), (15, 13675896), (18, 11396580), (19, 10796760), (20, 10256922), (24, 8547435), (26, 7889940), (27, 7597720), (30, 6837948), (36, 5698290), (38, 5398380), (39, 5259960), (40, 5128461), (45, 4558632), (52, 3944970), (54, 3798860), (57, 3598920), (60, 3418974), (65, 3155976), (72, 2849145), (76, 2699190), (78, 2629980), (90, 2279316), (95, 2159352), (104, 1972485), (108, 1899430), (114, 1799460), (117, 1753320), (120, 1709487), (130, 1577988), (135, 1519544), (152, 1349595), (156, 1314990), (171, 1199640), (180, 1139658), (190, 1079676), (195, 1051992), (216, 949715), (228, 899730), (234, 876660), (247, 830520), (260, 788994), (270, 759772), (285, 719784), (312, 657495), (342, 599820), (351, 584440), (360, 569829), (380, 539838), (390, 525996), (456, 449865), (468, 438330), (494, 415260), (513, 399880), (520, 394497), (540, 379886), (570, 359892), (585, 350664), (684, 299910), (702, 292220), (741, 276840), (760, 269919), (769, 266760), (780, 262998), (855, 239928), (936, 219165), (988, 207630), (1026, 199940), (1080, 189943), (1140, 179946), (1170, 175332), (1235, 166104), (1368, 149955), (1404, 146110), (1482, 138420), (1538, 133380), (1560, 131499), (1710, 119964), (1755, 116888), (1976, 103815), (2052, 99970), (2223, 92280), (2280, 89973), (2307, 88920), (2340, 87666), (2470, 83052), (2565, 79976), (2808, 73055), (2964, 69210), (3076, 66690), (3420, 59982), (3510, 58444), (3705, 55368), (3845, 53352), (4104, 49985), (4446, 46140), (4614, 44460), (4680, 43833), (4940, 41526), (5130, 39988), (5928, 34605), (6152, 33345), (6669, 30760), (6840, 29991), (6921, 29640), (7020, 29222), (7410, 27684), (7690, 26676), (8892, 23070), (9228, 22230), (9880, 20763), (9997, 20520), (10260, 19994), (11115, 18456), (11535, 17784), (13338, 15380), (13842, 14820), (14040, 14611)]