420128800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 288

約数和(自身を含む): 1312416000

約数和(自身を除く): 892287200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 29, 32, 35, 40, 50, 52, 56, 58, 65, 70, 80, 91, 100, 104, 112, 116, 130, 140, 145, 160, 175, 182, 199, 200, 203, 208, 224, 232, 260, 280, 290, 325, 350, 364, 377, 398, 400, 406, 416, 455, 464, 520, 560, 580, 650, 700, 725, 728, 754, 796, 800, 812, 910, 928, 995, 1015, 1040, 1120, 1160, 1300, 1393, 1400, 1450, 1456, 1508, 1592, 1624, 1820, 1885, 1990, 2030, 2080, 2275, 2320, 2587, 2600, 2639, 2786, 2800, 2900, 2912, 3016, 3184, 3248, 3640, 3770, 3980, 4060, 4550, 4640, 4975, 5075, 5174, 5200, 5278, 5572, 5600, 5771, 5800, 6032, 6368, 6496, 6965, 7280, 7540, 7960, 8120, 9100, 9425, 9950, 10150, 10348, 10400, 10556, 11144, 11542, 11600, 12064, 12935, 13195, 13930, 14560, 15080, 15920, 16240, 18109, 18200, 18850, 19900, 20300, 20696, 21112, 22288, 23084, 23200, 25870, 26390, 27860, 28855, 30160, 31840, 32480, 34825, 36218, 36400, 37700, 39800, 40397, 40600, 41392, 42224, 44576, 46168, 51740, 52780, 55720, 57710, 60320, 64675, 65975, 69650, 72436, 72800, 75023, 75400, 79600, 80794, 81200, 82784, 84448, 90545, 92336, 103480, 105560, 111440, 115420, 129350, 131950, 139300, 144275, 144872, 150046, 150800, 159200, 161588, 162400, 181090, 184672, 201985, 206960, 211120, 222880, 230840, 258700, 263900, 278600, 288550, 289744, 300092, 301600, 323176, 362180, 375115, 403970, 413920, 422240, 452725, 461680, 517400, 525161, 527800, 557200, 577100, 579488, 600184, 646352, 724360, 750230, 807940, 905450, 923360, 1009925, 1034800, 1050322, 1055600, 1114400, 1154200, 1200368, 1292704, 1448720, 1500460, 1615880, 1810900, 1875575, 2019850, 2069600, 2100644, 2111200, 2308400, 2400736, 2625805, 2897440, 3000920, 3231760, 3621800, 3751150, 4039700, 4201288, 4616800, 5251610, 6001840, 6463520, 7243600, 7502300, 8079400, 8402576, 10503220, 12003680, 13129025, 14487200, 15004600, 16158800, 16805152, 21006440, 26258050, 30009200, 32317600, 42012880, 52516100, 60018400, 84025760, 105032200, 210064400, 420128800]

約数ペア:

[(1, 420128800), (2, 210064400), (4, 105032200), (5, 84025760), (7, 60018400), (8, 52516100), (10, 42012880), (13, 32317600), (14, 30009200), (16, 26258050), (20, 21006440), (25, 16805152), (26, 16158800), (28, 15004600), (29, 14487200), (32, 13129025), (35, 12003680), (40, 10503220), (50, 8402576), (52, 8079400), (56, 7502300), (58, 7243600), (65, 6463520), (70, 6001840), (80, 5251610), (91, 4616800), (100, 4201288), (104, 4039700), (112, 3751150), (116, 3621800), (130, 3231760), (140, 3000920), (145, 2897440), (160, 2625805), (175, 2400736), (182, 2308400), (199, 2111200), (200, 2100644), (203, 2069600), (208, 2019850), (224, 1875575), (232, 1810900), (260, 1615880), (280, 1500460), (290, 1448720), (325, 1292704), (350, 1200368), (364, 1154200), (377, 1114400), (398, 1055600), (400, 1050322), (406, 1034800), (416, 1009925), (455, 923360), (464, 905450), (520, 807940), (560, 750230), (580, 724360), (650, 646352), (700, 600184), (725, 579488), (728, 577100), (754, 557200), (796, 527800), (800, 525161), (812, 517400), (910, 461680), (928, 452725), (995, 422240), (1015, 413920), (1040, 403970), (1120, 375115), (1160, 362180), (1300, 323176), (1393, 301600), (1400, 300092), (1450, 289744), (1456, 288550), (1508, 278600), (1592, 263900), (1624, 258700), (1820, 230840), (1885, 222880), (1990, 211120), (2030, 206960), (2080, 201985), (2275, 184672), (2320, 181090), (2587, 162400), (2600, 161588), (2639, 159200), (2786, 150800), (2800, 150046), (2900, 144872), (2912, 144275), (3016, 139300), (3184, 131950), (3248, 129350), (3640, 115420), (3770, 111440), (3980, 105560), (4060, 103480), (4550, 92336), (4640, 90545), (4975, 84448), (5075, 82784), (5174, 81200), (5200, 80794), (5278, 79600), (5572, 75400), (5600, 75023), (5771, 72800), (5800, 72436), (6032, 69650), (6368, 65975), (6496, 64675), (6965, 60320), (7280, 57710), (7540, 55720), (7960, 52780), (8120, 51740), (9100, 46168), (9425, 44576), (9950, 42224), (10150, 41392), (10348, 40600), (10400, 40397), (10556, 39800), (11144, 37700), (11542, 36400), (11600, 36218), (12064, 34825), (12935, 32480), (13195, 31840), (13930, 30160), (14560, 28855), (15080, 27860), (15920, 26390), (16240, 25870), (18109, 23200), (18200, 23084), (18850, 22288), (19900, 21112), (20300, 20696)]