254505420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1783}}^1$

素因数の和:1872

約数の個数: 144

約数和(自身を含む): 845487552

約数和(自身を除く): 590982132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 117, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 366, 390, 468, 549, 585, 610, 732, 780, 793, 915, 1098, 1170, 1220, 1586, 1783, 1830, 2196, 2340, 2379, 2745, 3172, 3566, 3660, 3965, 4758, 5349, 5490, 7132, 7137, 7930, 8915, 9516, 10698, 10980, 11895, 14274, 15860, 16047, 17830, 21396, 23179, 23790, 26745, 28548, 32094, 35660, 35685, 46358, 47580, 53490, 64188, 69537, 71370, 80235, 92716, 106980, 108763, 115895, 139074, 142740, 160470, 208611, 217526, 231790, 278148, 320940, 326289, 347685, 417222, 435052, 463580, 543815, 652578, 695370, 834444, 978867, 1043055, 1087630, 1305156, 1390740, 1413919, 1631445, 1957734, 2086110, 2175260, 2827838, 3262890, 3915468, 4172220, 4241757, 4894335, 5655676, 6525780, 7069595, 8483514, 9788670, 12725271, 14139190, 16967028, 19577340, 21208785, 25450542, 28278380, 42417570, 50901084, 63626355, 84835140, 127252710, 254505420]

約数ペア:

[(1, 254505420), (2, 127252710), (3, 84835140), (4, 63626355), (5, 50901084), (6, 42417570), (9, 28278380), (10, 25450542), (12, 21208785), (13, 19577340), (15, 16967028), (18, 14139190), (20, 12725271), (26, 9788670), (30, 8483514), (36, 7069595), (39, 6525780), (45, 5655676), (52, 4894335), (60, 4241757), (61, 4172220), (65, 3915468), (78, 3262890), (90, 2827838), (117, 2175260), (122, 2086110), (130, 1957734), (156, 1631445), (180, 1413919), (183, 1390740), (195, 1305156), (234, 1087630), (244, 1043055), (260, 978867), (305, 834444), (366, 695370), (390, 652578), (468, 543815), (549, 463580), (585, 435052), (610, 417222), (732, 347685), (780, 326289), (793, 320940), (915, 278148), (1098, 231790), (1170, 217526), (1220, 208611), (1586, 160470), (1783, 142740), (1830, 139074), (2196, 115895), (2340, 108763), (2379, 106980), (2745, 92716), (3172, 80235), (3566, 71370), (3660, 69537), (3965, 64188), (4758, 53490), (5349, 47580), (5490, 46358), (7132, 35685), (7137, 35660), (7930, 32094), (8915, 28548), (9516, 26745), (10698, 23790), (10980, 23179), (11895, 21396), (14274, 17830), (15860, 16047)]