420404400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 270

約数和(自身を含む): 1582063548

約数和(自身を除く): 1161659148

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 100, 104, 117, 120, 130, 144, 150, 156, 169, 180, 195, 200, 208, 225, 234, 240, 260, 300, 312, 325, 338, 360, 390, 400, 450, 468, 507, 520, 585, 600, 624, 650, 676, 691, 720, 780, 845, 900, 936, 975, 1014, 1040, 1170, 1200, 1300, 1352, 1382, 1521, 1560, 1690, 1800, 1872, 1950, 2028, 2073, 2340, 2535, 2600, 2704, 2764, 2925, 3042, 3120, 3380, 3455, 3600, 3900, 4056, 4146, 4225, 4680, 5070, 5200, 5528, 5850, 6084, 6219, 6760, 6910, 7605, 7800, 8112, 8292, 8450, 8983, 9360, 10140, 10365, 11056, 11700, 12168, 12438, 12675, 13520, 13820, 15210, 15600, 16584, 16900, 17275, 17966, 20280, 20730, 23400, 24336, 24876, 25350, 26949, 27640, 30420, 31095, 33168, 33800, 34550, 35932, 38025, 40560, 41460, 44915, 46800, 49752, 50700, 51825, 53898, 55280, 60840, 62190, 67600, 69100, 71864, 76050, 80847, 82920, 89830, 99504, 101400, 103650, 107796, 116779, 121680, 124380, 134745, 138200, 143728, 152100, 155475, 161694, 165840, 179660, 202800, 207300, 215592, 224575, 233558, 248760, 269490, 276400, 304200, 310950, 323388, 350337, 359320, 404235, 414600, 431184, 449150, 467116, 497520, 538980, 583895, 608400, 621900, 646776, 673725, 700674, 718640, 808470, 829200, 898300, 934232, 1051011, 1077960, 1167790, 1243800, 1293552, 1347450, 1401348, 1616940, 1751685, 1796600, 1868464, 2021175, 2102022, 2155920, 2335580, 2487600, 2694900, 2802696, 2919475, 3233880, 3503370, 3593200, 4042350, 4204044, 4671160, 5255055, 5389800, 5605392, 5838950, 6467760, 7006740, 8084700, 8408088, 8758425, 9342320, 10510110, 10779600, 11677900, 14013480, 16169400, 16816176, 17516850, 21020220, 23355800, 26275275, 28026960, 32338800, 35033700, 42040440, 46711600, 52550550, 70067400, 84080880, 105101100, 140134800, 210202200, 420404400]

約数ペア:

[(1, 420404400), (2, 210202200), (3, 140134800), (4, 105101100), (5, 84080880), (6, 70067400), (8, 52550550), (9, 46711600), (10, 42040440), (12, 35033700), (13, 32338800), (15, 28026960), (16, 26275275), (18, 23355800), (20, 21020220), (24, 17516850), (25, 16816176), (26, 16169400), (30, 14013480), (36, 11677900), (39, 10779600), (40, 10510110), (45, 9342320), (48, 8758425), (50, 8408088), (52, 8084700), (60, 7006740), (65, 6467760), (72, 5838950), (75, 5605392), (78, 5389800), (80, 5255055), (90, 4671160), (100, 4204044), (104, 4042350), (117, 3593200), (120, 3503370), (130, 3233880), (144, 2919475), (150, 2802696), (156, 2694900), (169, 2487600), (180, 2335580), (195, 2155920), (200, 2102022), (208, 2021175), (225, 1868464), (234, 1796600), (240, 1751685), (260, 1616940), (300, 1401348), (312, 1347450), (325, 1293552), (338, 1243800), (360, 1167790), (390, 1077960), (400, 1051011), (450, 934232), (468, 898300), (507, 829200), (520, 808470), (585, 718640), (600, 700674), (624, 673725), (650, 646776), (676, 621900), (691, 608400), (720, 583895), (780, 538980), (845, 497520), (900, 467116), (936, 449150), (975, 431184), (1014, 414600), (1040, 404235), (1170, 359320), (1200, 350337), (1300, 323388), (1352, 310950), (1382, 304200), (1521, 276400), (1560, 269490), (1690, 248760), (1800, 233558), (1872, 224575), (1950, 215592), (2028, 207300), (2073, 202800), (2340, 179660), (2535, 165840), (2600, 161694), (2704, 155475), (2764, 152100), (2925, 143728), (3042, 138200), (3120, 134745), (3380, 124380), (3455, 121680), (3600, 116779), (3900, 107796), (4056, 103650), (4146, 101400), (4225, 99504), (4680, 89830), (5070, 82920), (5200, 80847), (5528, 76050), (5850, 71864), (6084, 69100), (6219, 67600), (6760, 62190), (6910, 60840), (7605, 55280), (7800, 53898), (8112, 51825), (8292, 50700), (8450, 49752), (8983, 46800), (9360, 44915), (10140, 41460), (10365, 40560), (11056, 38025), (11700, 35932), (12168, 34550), (12438, 33800), (12675, 33168), (13520, 31095), (13820, 30420), (15210, 27640), (15600, 26949), (16584, 25350), (16900, 24876), (17275, 24336), (17966, 23400), (20280, 20730)]