420223440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:378

約数の個数: 320

約数和(自身を含む): 1631895552

約数和(自身を除く): 1211672112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 71, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 142, 156, 168, 182, 195, 208, 210, 213, 240, 260, 271, 273, 280, 284, 312, 336, 355, 364, 390, 420, 426, 455, 497, 520, 542, 546, 560, 568, 624, 710, 728, 780, 813, 840, 852, 910, 923, 994, 1040, 1065, 1084, 1092, 1136, 1355, 1365, 1420, 1456, 1491, 1560, 1626, 1680, 1704, 1820, 1846, 1897, 1988, 2130, 2168, 2184, 2485, 2710, 2730, 2769, 2840, 2982, 3120, 3252, 3408, 3523, 3640, 3692, 3794, 3976, 4065, 4260, 4336, 4368, 4615, 4970, 5420, 5460, 5538, 5680, 5691, 5964, 6461, 6504, 7046, 7280, 7384, 7455, 7588, 7952, 8130, 8520, 9230, 9485, 9940, 10569, 10840, 10920, 11076, 11382, 11928, 12922, 13008, 13845, 14092, 14768, 14910, 15176, 16260, 17040, 17615, 18460, 18970, 19241, 19383, 19880, 21138, 21680, 21840, 22152, 22764, 23856, 24661, 25844, 27690, 28184, 28455, 29820, 30352, 32305, 32520, 35230, 36920, 37940, 38482, 38766, 39760, 42276, 44304, 45528, 49322, 51688, 52845, 55380, 56368, 56910, 57723, 59640, 64610, 65040, 70460, 73840, 73983, 75880, 76964, 77532, 84552, 91056, 96205, 96915, 98644, 103376, 105690, 110760, 113820, 115446, 119280, 123305, 129220, 134687, 140920, 147966, 151760, 153928, 155064, 169104, 192410, 193830, 197288, 211380, 221520, 227640, 230892, 246610, 250133, 258440, 269374, 281840, 288615, 295932, 307856, 310128, 369915, 384820, 387660, 394576, 404061, 422760, 455280, 461784, 493220, 500266, 516880, 538748, 577230, 591864, 673435, 739830, 750399, 769640, 775320, 808122, 845520, 923568, 986440, 1000532, 1077496, 1154460, 1183728, 1250665, 1346870, 1479660, 1500798, 1539280, 1550640, 1616244, 1750931, 1972880, 2001064, 2020305, 2154992, 2308920, 2501330, 2693740, 2959320, 3001596, 3232488, 3501862, 3751995, 4002128, 4040610, 4617840, 5002660, 5252793, 5387480, 5918640, 6003192, 6464976, 7003724, 7503990, 8081220, 8754655, 10005320, 10505586, 10774960, 12006384, 14007448, 15007980, 16162440, 17509310, 20010640, 21011172, 26263965, 28014896, 30015960, 32324880, 35018620, 42022344, 52527930, 60031920, 70037240, 84044688, 105055860, 140074480, 210111720, 420223440]

約数ペア:

[(1, 420223440), (2, 210111720), (3, 140074480), (4, 105055860), (5, 84044688), (6, 70037240), (7, 60031920), (8, 52527930), (10, 42022344), (12, 35018620), (13, 32324880), (14, 30015960), (15, 28014896), (16, 26263965), (20, 21011172), (21, 20010640), (24, 17509310), (26, 16162440), (28, 15007980), (30, 14007448), (35, 12006384), (39, 10774960), (40, 10505586), (42, 10005320), (48, 8754655), (52, 8081220), (56, 7503990), (60, 7003724), (65, 6464976), (70, 6003192), (71, 5918640), (78, 5387480), (80, 5252793), (84, 5002660), (91, 4617840), (104, 4040610), (105, 4002128), (112, 3751995), (120, 3501862), (130, 3232488), (140, 3001596), (142, 2959320), (156, 2693740), (168, 2501330), (182, 2308920), (195, 2154992), (208, 2020305), (210, 2001064), (213, 1972880), (240, 1750931), (260, 1616244), (271, 1550640), (273, 1539280), (280, 1500798), (284, 1479660), (312, 1346870), (336, 1250665), (355, 1183728), (364, 1154460), (390, 1077496), (420, 1000532), (426, 986440), (455, 923568), (497, 845520), (520, 808122), (542, 775320), (546, 769640), (560, 750399), (568, 739830), (624, 673435), (710, 591864), (728, 577230), (780, 538748), (813, 516880), (840, 500266), (852, 493220), (910, 461784), (923, 455280), (994, 422760), (1040, 404061), (1065, 394576), (1084, 387660), (1092, 384820), (1136, 369915), (1355, 310128), (1365, 307856), (1420, 295932), (1456, 288615), (1491, 281840), (1560, 269374), (1626, 258440), (1680, 250133), (1704, 246610), (1820, 230892), (1846, 227640), (1897, 221520), (1988, 211380), (2130, 197288), (2168, 193830), (2184, 192410), (2485, 169104), (2710, 155064), (2730, 153928), (2769, 151760), (2840, 147966), (2982, 140920), (3120, 134687), (3252, 129220), (3408, 123305), (3523, 119280), (3640, 115446), (3692, 113820), (3794, 110760), (3976, 105690), (4065, 103376), (4260, 98644), (4336, 96915), (4368, 96205), (4615, 91056), (4970, 84552), (5420, 77532), (5460, 76964), (5538, 75880), (5680, 73983), (5691, 73840), (5964, 70460), (6461, 65040), (6504, 64610), (7046, 59640), (7280, 57723), (7384, 56910), (7455, 56368), (7588, 55380), (7952, 52845), (8130, 51688), (8520, 49322), (9230, 45528), (9485, 44304), (9940, 42276), (10569, 39760), (10840, 38766), (10920, 38482), (11076, 37940), (11382, 36920), (11928, 35230), (12922, 32520), (13008, 32305), (13845, 30352), (14092, 29820), (14768, 28455), (14910, 28184), (15176, 27690), (16260, 25844), (17040, 24661), (17615, 23856), (18460, 22764), (18970, 22152), (19241, 21840), (19383, 21680), (19880, 21138)]