428340640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 288

約数和(自身を含む): 1310432256

約数和(自身を除く): 882091616

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 65, 70, 73, 80, 91, 104, 112, 124, 130, 140, 146, 155, 160, 169, 182, 208, 217, 224, 248, 260, 280, 292, 310, 338, 364, 365, 403, 416, 434, 455, 496, 511, 520, 560, 584, 620, 676, 728, 730, 806, 845, 868, 910, 949, 992, 1022, 1040, 1085, 1120, 1168, 1183, 1240, 1352, 1456, 1460, 1612, 1690, 1736, 1820, 1898, 2015, 2044, 2080, 2170, 2263, 2336, 2366, 2480, 2555, 2704, 2821, 2912, 2920, 3224, 3380, 3472, 3640, 3796, 4030, 4088, 4340, 4526, 4732, 4745, 4960, 5110, 5239, 5408, 5642, 5840, 5915, 6448, 6643, 6760, 6944, 7280, 7592, 8060, 8176, 8680, 9052, 9464, 9490, 10220, 10478, 11284, 11315, 11680, 11830, 12337, 12896, 13286, 13520, 14105, 14560, 15184, 15841, 16120, 16352, 17360, 18104, 18928, 18980, 20440, 20956, 22568, 22630, 23660, 24674, 26195, 26572, 27040, 28210, 29419, 30368, 31682, 32240, 33215, 34720, 36208, 36673, 37856, 37960, 40880, 41912, 45136, 45260, 47320, 49348, 52390, 53144, 56420, 58838, 61685, 63364, 64480, 66430, 72416, 73346, 75920, 79205, 81760, 83824, 86359, 90272, 90520, 94640, 98696, 104780, 106288, 112840, 117676, 123370, 126728, 132860, 146692, 147095, 151840, 158410, 167648, 172718, 181040, 183365, 189280, 197392, 205933, 209560, 212576, 225680, 235352, 246740, 253456, 265720, 293384, 294190, 316820, 345436, 362080, 366730, 382447, 394784, 411866, 419120, 431795, 451360, 470704, 493480, 506912, 531440, 586768, 588380, 633640, 690872, 733460, 764894, 823732, 838240, 863590, 941408, 986960, 1029665, 1062880, 1173536, 1176760, 1267280, 1381744, 1466920, 1529788, 1647464, 1727180, 1912235, 1973920, 2059330, 2353520, 2534560, 2677129, 2763488, 2933840, 3059576, 3294928, 3454360, 3824470, 4118660, 4707040, 5354258, 5867680, 6119152, 6589856, 6908720, 7648940, 8237320, 10708516, 12238304, 13385645, 13817440, 15297880, 16474640, 21417032, 26771290, 30595760, 32949280, 42834064, 53542580, 61191520, 85668128, 107085160, 214170320, 428340640]

約数ペア:

[(1, 428340640), (2, 214170320), (4, 107085160), (5, 85668128), (7, 61191520), (8, 53542580), (10, 42834064), (13, 32949280), (14, 30595760), (16, 26771290), (20, 21417032), (26, 16474640), (28, 15297880), (31, 13817440), (32, 13385645), (35, 12238304), (40, 10708516), (52, 8237320), (56, 7648940), (62, 6908720), (65, 6589856), (70, 6119152), (73, 5867680), (80, 5354258), (91, 4707040), (104, 4118660), (112, 3824470), (124, 3454360), (130, 3294928), (140, 3059576), (146, 2933840), (155, 2763488), (160, 2677129), (169, 2534560), (182, 2353520), (208, 2059330), (217, 1973920), (224, 1912235), (248, 1727180), (260, 1647464), (280, 1529788), (292, 1466920), (310, 1381744), (338, 1267280), (364, 1176760), (365, 1173536), (403, 1062880), (416, 1029665), (434, 986960), (455, 941408), (496, 863590), (511, 838240), (520, 823732), (560, 764894), (584, 733460), (620, 690872), (676, 633640), (728, 588380), (730, 586768), (806, 531440), (845, 506912), (868, 493480), (910, 470704), (949, 451360), (992, 431795), (1022, 419120), (1040, 411866), (1085, 394784), (1120, 382447), (1168, 366730), (1183, 362080), (1240, 345436), (1352, 316820), (1456, 294190), (1460, 293384), (1612, 265720), (1690, 253456), (1736, 246740), (1820, 235352), (1898, 225680), (2015, 212576), (2044, 209560), (2080, 205933), (2170, 197392), (2263, 189280), (2336, 183365), (2366, 181040), (2480, 172718), (2555, 167648), (2704, 158410), (2821, 151840), (2912, 147095), (2920, 146692), (3224, 132860), (3380, 126728), (3472, 123370), (3640, 117676), (3796, 112840), (4030, 106288), (4088, 104780), (4340, 98696), (4526, 94640), (4732, 90520), (4745, 90272), (4960, 86359), (5110, 83824), (5239, 81760), (5408, 79205), (5642, 75920), (5840, 73346), (5915, 72416), (6448, 66430), (6643, 64480), (6760, 63364), (6944, 61685), (7280, 58838), (7592, 56420), (8060, 53144), (8176, 52390), (8680, 49348), (9052, 47320), (9464, 45260), (9490, 45136), (10220, 41912), (10478, 40880), (11284, 37960), (11315, 37856), (11680, 36673), (11830, 36208), (12337, 34720), (12896, 33215), (13286, 32240), (13520, 31682), (14105, 30368), (14560, 29419), (15184, 28210), (15841, 27040), (16120, 26572), (16352, 26195), (17360, 24674), (18104, 23660), (18928, 22630), (18980, 22568), (20440, 20956)]