420162120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:549

約数の個数: 256

約数和(自身を含む): 1615680000

約数和(自身を除く): 1195517880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 149, 168, 180, 189, 210, 216, 252, 270, 280, 298, 315, 360, 373, 378, 420, 447, 504, 540, 596, 630, 745, 746, 756, 840, 894, 945, 1043, 1080, 1119, 1192, 1260, 1341, 1490, 1492, 1512, 1788, 1865, 1890, 2086, 2235, 2238, 2520, 2611, 2682, 2980, 2984, 3129, 3357, 3576, 3730, 3780, 4023, 4172, 4470, 4476, 5215, 5222, 5364, 5595, 5960, 6258, 6705, 6714, 7460, 7560, 7833, 8046, 8344, 8940, 8952, 9387, 10071, 10430, 10444, 10728, 11190, 12516, 13055, 13410, 13428, 14920, 15645, 15666, 16092, 16785, 17880, 18774, 20115, 20142, 20860, 20888, 22380, 23499, 25032, 26110, 26820, 26856, 28161, 31290, 31332, 32184, 33570, 37548, 39165, 40230, 40284, 41720, 44760, 46935, 46998, 50355, 52220, 53640, 55577, 56322, 62580, 62664, 67140, 70497, 75096, 78330, 80460, 80568, 93870, 93996, 100710, 104440, 111154, 112644, 117495, 125160, 134280, 140805, 140994, 156660, 160920, 166731, 187740, 187992, 201420, 222308, 225288, 234990, 277885, 281610, 281988, 313320, 333462, 352485, 375480, 389039, 402840, 444616, 469980, 500193, 555770, 563220, 563976, 666924, 704970, 778078, 833655, 939960, 1000386, 1111540, 1126440, 1167117, 1333848, 1409940, 1500579, 1556156, 1667310, 1945195, 2000772, 2223080, 2334234, 2500965, 2819880, 3001158, 3112312, 3334620, 3501351, 3890390, 4001544, 4668468, 5001930, 5835585, 6002316, 6669240, 7002702, 7502895, 7780780, 9336936, 10003860, 10504053, 11671170, 12004632, 14005404, 15005790, 15561560, 17506755, 20007720, 21008106, 23342340, 28010808, 30011580, 35013510, 42016212, 46684680, 52520265, 60023160, 70027020, 84032424, 105040530, 140054040, 210081060, 420162120]

約数ペア:

[(1, 420162120), (2, 210081060), (3, 140054040), (4, 105040530), (5, 84032424), (6, 70027020), (7, 60023160), (8, 52520265), (9, 46684680), (10, 42016212), (12, 35013510), (14, 30011580), (15, 28010808), (18, 23342340), (20, 21008106), (21, 20007720), (24, 17506755), (27, 15561560), (28, 15005790), (30, 14005404), (35, 12004632), (36, 11671170), (40, 10504053), (42, 10003860), (45, 9336936), (54, 7780780), (56, 7502895), (60, 7002702), (63, 6669240), (70, 6002316), (72, 5835585), (84, 5001930), (90, 4668468), (105, 4001544), (108, 3890390), (120, 3501351), (126, 3334620), (135, 3112312), (140, 3001158), (149, 2819880), (168, 2500965), (180, 2334234), (189, 2223080), (210, 2000772), (216, 1945195), (252, 1667310), (270, 1556156), (280, 1500579), (298, 1409940), (315, 1333848), (360, 1167117), (373, 1126440), (378, 1111540), (420, 1000386), (447, 939960), (504, 833655), (540, 778078), (596, 704970), (630, 666924), (745, 563976), (746, 563220), (756, 555770), (840, 500193), (894, 469980), (945, 444616), (1043, 402840), (1080, 389039), (1119, 375480), (1192, 352485), (1260, 333462), (1341, 313320), (1490, 281988), (1492, 281610), (1512, 277885), (1788, 234990), (1865, 225288), (1890, 222308), (2086, 201420), (2235, 187992), (2238, 187740), (2520, 166731), (2611, 160920), (2682, 156660), (2980, 140994), (2984, 140805), (3129, 134280), (3357, 125160), (3576, 117495), (3730, 112644), (3780, 111154), (4023, 104440), (4172, 100710), (4470, 93996), (4476, 93870), (5215, 80568), (5222, 80460), (5364, 78330), (5595, 75096), (5960, 70497), (6258, 67140), (6705, 62664), (6714, 62580), (7460, 56322), (7560, 55577), (7833, 53640), (8046, 52220), (8344, 50355), (8940, 46998), (8952, 46935), (9387, 44760), (10071, 41720), (10430, 40284), (10444, 40230), (10728, 39165), (11190, 37548), (12516, 33570), (13055, 32184), (13410, 31332), (13428, 31290), (14920, 28161), (15645, 26856), (15666, 26820), (16092, 26110), (16785, 25032), (17880, 23499), (18774, 22380), (20115, 20888), (20142, 20860)]