401272560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1072

約数の個数: 240

約数和(自身を含む): 1486509024

約数和(自身を除く): 1085236464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 48, 52, 60, 65, 72, 78, 80, 86, 90, 104, 117, 120, 129, 130, 144, 156, 172, 180, 195, 208, 215, 234, 240, 258, 260, 312, 344, 360, 387, 390, 430, 468, 516, 520, 559, 585, 624, 645, 688, 720, 774, 780, 860, 936, 997, 1032, 1040, 1118, 1170, 1290, 1548, 1560, 1677, 1720, 1872, 1935, 1994, 2064, 2236, 2340, 2580, 2795, 2991, 3096, 3120, 3354, 3440, 3870, 3988, 4472, 4680, 4985, 5031, 5160, 5590, 5982, 6192, 6708, 7740, 7976, 8385, 8944, 8973, 9360, 9970, 10062, 10320, 11180, 11964, 12961, 13416, 14955, 15480, 15952, 16770, 17946, 19940, 20124, 22360, 23928, 25155, 25922, 26832, 29910, 30960, 33540, 35892, 38883, 39880, 40248, 42871, 44720, 44865, 47856, 50310, 51844, 59820, 64805, 67080, 71784, 77766, 79760, 80496, 85742, 89730, 100620, 103688, 116649, 119640, 128613, 129610, 134160, 143568, 155532, 171484, 179460, 194415, 201240, 207376, 214355, 233298, 239280, 257226, 259220, 311064, 342968, 358920, 385839, 388830, 402480, 428710, 466596, 514452, 518440, 557323, 583245, 622128, 643065, 685936, 717840, 771678, 777660, 857420, 933192, 1028904, 1036880, 1114646, 1166490, 1286130, 1543356, 1555320, 1671969, 1714840, 1866384, 1929195, 2057808, 2229292, 2332980, 2572260, 2786615, 3086712, 3110640, 3343938, 3429680, 3858390, 4458584, 4665960, 5015907, 5144520, 5573230, 6173424, 6687876, 7716780, 8359845, 8917168, 9331920, 10031814, 10289040, 11146460, 13375752, 15433560, 16719690, 20063628, 22292920, 25079535, 26751504, 30867120, 33439380, 40127256, 44585840, 50159070, 66878760, 80254512, 100318140, 133757520, 200636280, 401272560]

約数ペア:

[(1, 401272560), (2, 200636280), (3, 133757520), (4, 100318140), (5, 80254512), (6, 66878760), (8, 50159070), (9, 44585840), (10, 40127256), (12, 33439380), (13, 30867120), (15, 26751504), (16, 25079535), (18, 22292920), (20, 20063628), (24, 16719690), (26, 15433560), (30, 13375752), (36, 11146460), (39, 10289040), (40, 10031814), (43, 9331920), (45, 8917168), (48, 8359845), (52, 7716780), (60, 6687876), (65, 6173424), (72, 5573230), (78, 5144520), (80, 5015907), (86, 4665960), (90, 4458584), (104, 3858390), (117, 3429680), (120, 3343938), (129, 3110640), (130, 3086712), (144, 2786615), (156, 2572260), (172, 2332980), (180, 2229292), (195, 2057808), (208, 1929195), (215, 1866384), (234, 1714840), (240, 1671969), (258, 1555320), (260, 1543356), (312, 1286130), (344, 1166490), (360, 1114646), (387, 1036880), (390, 1028904), (430, 933192), (468, 857420), (516, 777660), (520, 771678), (559, 717840), (585, 685936), (624, 643065), (645, 622128), (688, 583245), (720, 557323), (774, 518440), (780, 514452), (860, 466596), (936, 428710), (997, 402480), (1032, 388830), (1040, 385839), (1118, 358920), (1170, 342968), (1290, 311064), (1548, 259220), (1560, 257226), (1677, 239280), (1720, 233298), (1872, 214355), (1935, 207376), (1994, 201240), (2064, 194415), (2236, 179460), (2340, 171484), (2580, 155532), (2795, 143568), (2991, 134160), (3096, 129610), (3120, 128613), (3354, 119640), (3440, 116649), (3870, 103688), (3988, 100620), (4472, 89730), (4680, 85742), (4985, 80496), (5031, 79760), (5160, 77766), (5590, 71784), (5982, 67080), (6192, 64805), (6708, 59820), (7740, 51844), (7976, 50310), (8385, 47856), (8944, 44865), (8973, 44720), (9360, 42871), (9970, 40248), (10062, 39880), (10320, 38883), (11180, 35892), (11964, 33540), (12961, 30960), (13416, 29910), (14955, 26832), (15480, 25922), (15952, 25155), (16770, 23928), (17946, 22360), (19940, 20124)]