255410820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 240

約数和(自身を含む): 928908288

約数和(自身を除く): 673497468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 101, 105, 108, 126, 135, 140, 162, 180, 189, 202, 210, 223, 252, 270, 303, 315, 324, 378, 404, 405, 420, 446, 505, 540, 567, 606, 630, 669, 707, 756, 810, 892, 909, 945, 1010, 1115, 1134, 1212, 1260, 1338, 1414, 1515, 1561, 1620, 1818, 1890, 2007, 2020, 2121, 2230, 2268, 2676, 2727, 2828, 2835, 3030, 3122, 3345, 3535, 3636, 3780, 4014, 4242, 4460, 4545, 4683, 5454, 5670, 6021, 6060, 6244, 6363, 6690, 7070, 7805, 8028, 8181, 8484, 9090, 9366, 10035, 10605, 10908, 11340, 12042, 12726, 13380, 13635, 14049, 14140, 15610, 16362, 18063, 18180, 18732, 19089, 20070, 21210, 22523, 23415, 24084, 25452, 27270, 28098, 30105, 31220, 31815, 32724, 36126, 38178, 40140, 40905, 42147, 42420, 45046, 46830, 54540, 56196, 57267, 60210, 63630, 67569, 70245, 72252, 76356, 81810, 84294, 90092, 90315, 93660, 95445, 112615, 114534, 120420, 126441, 127260, 135138, 140490, 157661, 163620, 168588, 180630, 190890, 202707, 210735, 225230, 229068, 252882, 270276, 280980, 286335, 315322, 337845, 361260, 381780, 405414, 421470, 450460, 472983, 505764, 572670, 608121, 630644, 632205, 675690, 788305, 810828, 842940, 945966, 1013535, 1145340, 1216242, 1264410, 1351380, 1418949, 1576610, 1824363, 1891932, 2027070, 2364915, 2432484, 2528820, 2837898, 3040605, 3153220, 3648726, 4054140, 4256847, 4729830, 5675796, 6081210, 7094745, 7297452, 8513694, 9121815, 9459660, 12162420, 12770541, 14189490, 17027388, 18243630, 21284235, 25541082, 28378980, 36487260, 42568470, 51082164, 63852705, 85136940, 127705410, 255410820]

約数ペア:

[(1, 255410820), (2, 127705410), (3, 85136940), (4, 63852705), (5, 51082164), (6, 42568470), (7, 36487260), (9, 28378980), (10, 25541082), (12, 21284235), (14, 18243630), (15, 17027388), (18, 14189490), (20, 12770541), (21, 12162420), (27, 9459660), (28, 9121815), (30, 8513694), (35, 7297452), (36, 7094745), (42, 6081210), (45, 5675796), (54, 4729830), (60, 4256847), (63, 4054140), (70, 3648726), (81, 3153220), (84, 3040605), (90, 2837898), (101, 2528820), (105, 2432484), (108, 2364915), (126, 2027070), (135, 1891932), (140, 1824363), (162, 1576610), (180, 1418949), (189, 1351380), (202, 1264410), (210, 1216242), (223, 1145340), (252, 1013535), (270, 945966), (303, 842940), (315, 810828), (324, 788305), (378, 675690), (404, 632205), (405, 630644), (420, 608121), (446, 572670), (505, 505764), (540, 472983), (567, 450460), (606, 421470), (630, 405414), (669, 381780), (707, 361260), (756, 337845), (810, 315322), (892, 286335), (909, 280980), (945, 270276), (1010, 252882), (1115, 229068), (1134, 225230), (1212, 210735), (1260, 202707), (1338, 190890), (1414, 180630), (1515, 168588), (1561, 163620), (1620, 157661), (1818, 140490), (1890, 135138), (2007, 127260), (2020, 126441), (2121, 120420), (2230, 114534), (2268, 112615), (2676, 95445), (2727, 93660), (2828, 90315), (2835, 90092), (3030, 84294), (3122, 81810), (3345, 76356), (3535, 72252), (3636, 70245), (3780, 67569), (4014, 63630), (4242, 60210), (4460, 57267), (4545, 56196), (4683, 54540), (5454, 46830), (5670, 45046), (6021, 42420), (6060, 42147), (6244, 40905), (6363, 40140), (6690, 38178), (7070, 36126), (7805, 32724), (8028, 31815), (8181, 31220), (8484, 30105), (9090, 28098), (9366, 27270), (10035, 25452), (10605, 24084), (10908, 23415), (11340, 22523), (12042, 21210), (12726, 20070), (13380, 19089), (13635, 18732), (14049, 18180), (14140, 18063), (15610, 16362)]