258064560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:460

約数の個数: 240

約数和(自身を含む): 947856000

約数和(自身を除く): 689791440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 79, 80, 90, 104, 117, 120, 130, 144, 156, 158, 180, 195, 208, 234, 237, 240, 260, 312, 316, 349, 360, 390, 395, 468, 474, 520, 585, 624, 632, 698, 711, 720, 780, 790, 936, 948, 1027, 1040, 1047, 1170, 1185, 1264, 1396, 1422, 1560, 1580, 1745, 1872, 1896, 2054, 2094, 2340, 2370, 2792, 2844, 3081, 3120, 3141, 3160, 3490, 3555, 3792, 4108, 4188, 4537, 4680, 4740, 5135, 5235, 5584, 5688, 6162, 6282, 6320, 6980, 7110, 8216, 8376, 9074, 9243, 9360, 9480, 10270, 10470, 11376, 12324, 12564, 13611, 13960, 14220, 15405, 15705, 16432, 16752, 18148, 18486, 18960, 20540, 20940, 22685, 24648, 25128, 27222, 27571, 27920, 28440, 30810, 31410, 36296, 36972, 40833, 41080, 41880, 45370, 46215, 49296, 50256, 54444, 55142, 56880, 61620, 62820, 68055, 72592, 73944, 81666, 82160, 82713, 83760, 90740, 92430, 108888, 110284, 123240, 125640, 136110, 137855, 147888, 163332, 165426, 181480, 184860, 204165, 217776, 220568, 246480, 248139, 251280, 272220, 275710, 326664, 330852, 358423, 362960, 369720, 408330, 413565, 441136, 496278, 544440, 551420, 653328, 661704, 716846, 739440, 816660, 827130, 992556, 1075269, 1088880, 1102840, 1240695, 1323408, 1433692, 1633320, 1654260, 1792115, 1985112, 2150538, 2205680, 2481390, 2867384, 3225807, 3266640, 3308520, 3584230, 3970224, 4301076, 4962780, 5376345, 5734768, 6451614, 6617040, 7168460, 8602152, 9925560, 10752690, 12903228, 14336920, 16129035, 17204304, 19851120, 21505380, 25806456, 28673840, 32258070, 43010760, 51612912, 64516140, 86021520, 129032280, 258064560]

約数ペア:

[(1, 258064560), (2, 129032280), (3, 86021520), (4, 64516140), (5, 51612912), (6, 43010760), (8, 32258070), (9, 28673840), (10, 25806456), (12, 21505380), (13, 19851120), (15, 17204304), (16, 16129035), (18, 14336920), (20, 12903228), (24, 10752690), (26, 9925560), (30, 8602152), (36, 7168460), (39, 6617040), (40, 6451614), (45, 5734768), (48, 5376345), (52, 4962780), (60, 4301076), (65, 3970224), (72, 3584230), (78, 3308520), (79, 3266640), (80, 3225807), (90, 2867384), (104, 2481390), (117, 2205680), (120, 2150538), (130, 1985112), (144, 1792115), (156, 1654260), (158, 1633320), (180, 1433692), (195, 1323408), (208, 1240695), (234, 1102840), (237, 1088880), (240, 1075269), (260, 992556), (312, 827130), (316, 816660), (349, 739440), (360, 716846), (390, 661704), (395, 653328), (468, 551420), (474, 544440), (520, 496278), (585, 441136), (624, 413565), (632, 408330), (698, 369720), (711, 362960), (720, 358423), (780, 330852), (790, 326664), (936, 275710), (948, 272220), (1027, 251280), (1040, 248139), (1047, 246480), (1170, 220568), (1185, 217776), (1264, 204165), (1396, 184860), (1422, 181480), (1560, 165426), (1580, 163332), (1745, 147888), (1872, 137855), (1896, 136110), (2054, 125640), (2094, 123240), (2340, 110284), (2370, 108888), (2792, 92430), (2844, 90740), (3081, 83760), (3120, 82713), (3141, 82160), (3160, 81666), (3490, 73944), (3555, 72592), (3792, 68055), (4108, 62820), (4188, 61620), (4537, 56880), (4680, 55142), (4740, 54444), (5135, 50256), (5235, 49296), (5584, 46215), (5688, 45370), (6162, 41880), (6282, 41080), (6320, 40833), (6980, 36972), (7110, 36296), (8216, 31410), (8376, 30810), (9074, 28440), (9243, 27920), (9360, 27571), (9480, 27222), (10270, 25128), (10470, 24648), (11376, 22685), (12324, 20940), (12564, 20540), (13611, 18960), (13960, 18486), (14220, 18148), (15405, 16752), (15705, 16432)]