420547140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1104

約数の個数: 240

約数和(自身を含む): 1496953920

約数和(自身を除く): 1076406780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 324, 342, 351, 380, 390, 405, 468, 494, 513, 540, 570, 585, 684, 702, 741, 780, 810, 855, 988, 1026, 1051, 1053, 1140, 1170, 1235, 1404, 1482, 1539, 1620, 1710, 1755, 2052, 2102, 2106, 2223, 2340, 2470, 2565, 2964, 3078, 3153, 3420, 3510, 3705, 4204, 4212, 4446, 4940, 5130, 5255, 5265, 6156, 6306, 6669, 7020, 7410, 7695, 8892, 9459, 10260, 10510, 10530, 11115, 12612, 13338, 13663, 14820, 15390, 15765, 18918, 19969, 20007, 21020, 21060, 22230, 26676, 27326, 28377, 30780, 31530, 33345, 37836, 39938, 40014, 40989, 44460, 47295, 54652, 56754, 59907, 63060, 66690, 68315, 79876, 80028, 81978, 85131, 94590, 99845, 100035, 113508, 119814, 122967, 133380, 136630, 141885, 163956, 170262, 179721, 189180, 199690, 200070, 204945, 239628, 245934, 259597, 273260, 283770, 299535, 340524, 359442, 368901, 399380, 400140, 409890, 425655, 491868, 519194, 539163, 567540, 599070, 614835, 718884, 737802, 778791, 819780, 851310, 898605, 1038388, 1078326, 1106703, 1198140, 1229670, 1297985, 1475604, 1557582, 1617489, 1702620, 1797210, 1844505, 2156652, 2213406, 2336373, 2459340, 2595970, 2695815, 3115164, 3234978, 3594420, 3689010, 3893955, 4426812, 4672746, 5191940, 5391630, 5533515, 6469956, 7009119, 7378020, 7787910, 8087445, 9345492, 10783260, 11067030, 11681865, 14018238, 15575820, 16174890, 21027357, 22134060, 23363730, 28036476, 32349780, 35045595, 42054714, 46727460, 70091190, 84109428, 105136785, 140182380, 210273570, 420547140]

約数ペア:

[(1, 420547140), (2, 210273570), (3, 140182380), (4, 105136785), (5, 84109428), (6, 70091190), (9, 46727460), (10, 42054714), (12, 35045595), (13, 32349780), (15, 28036476), (18, 23363730), (19, 22134060), (20, 21027357), (26, 16174890), (27, 15575820), (30, 14018238), (36, 11681865), (38, 11067030), (39, 10783260), (45, 9345492), (52, 8087445), (54, 7787910), (57, 7378020), (60, 7009119), (65, 6469956), (76, 5533515), (78, 5391630), (81, 5191940), (90, 4672746), (95, 4426812), (108, 3893955), (114, 3689010), (117, 3594420), (130, 3234978), (135, 3115164), (156, 2695815), (162, 2595970), (171, 2459340), (180, 2336373), (190, 2213406), (195, 2156652), (228, 1844505), (234, 1797210), (247, 1702620), (260, 1617489), (270, 1557582), (285, 1475604), (324, 1297985), (342, 1229670), (351, 1198140), (380, 1106703), (390, 1078326), (405, 1038388), (468, 898605), (494, 851310), (513, 819780), (540, 778791), (570, 737802), (585, 718884), (684, 614835), (702, 599070), (741, 567540), (780, 539163), (810, 519194), (855, 491868), (988, 425655), (1026, 409890), (1051, 400140), (1053, 399380), (1140, 368901), (1170, 359442), (1235, 340524), (1404, 299535), (1482, 283770), (1539, 273260), (1620, 259597), (1710, 245934), (1755, 239628), (2052, 204945), (2102, 200070), (2106, 199690), (2223, 189180), (2340, 179721), (2470, 170262), (2565, 163956), (2964, 141885), (3078, 136630), (3153, 133380), (3420, 122967), (3510, 119814), (3705, 113508), (4204, 100035), (4212, 99845), (4446, 94590), (4940, 85131), (5130, 81978), (5255, 80028), (5265, 79876), (6156, 68315), (6306, 66690), (6669, 63060), (7020, 59907), (7410, 56754), (7695, 54652), (8892, 47295), (9459, 44460), (10260, 40989), (10510, 40014), (10530, 39938), (11115, 37836), (12612, 33345), (13338, 31530), (13663, 30780), (14820, 28377), (15390, 27326), (15765, 26676), (18918, 22230), (19969, 21060), (20007, 21020)]