210111720

素因数分解:

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

素因数の和:376

約数の個数: 256

約数和(自身を含む): 789626880

約数和(自身を除く): 579515160

約数列:

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

約数ペア:

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