247939380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 240

約数和(自身を含む): 855768144

約数和(自身を除く): 607828764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 61, 65, 78, 81, 90, 108, 117, 122, 130, 135, 156, 162, 180, 183, 193, 195, 234, 244, 260, 270, 305, 324, 351, 366, 386, 390, 405, 468, 540, 549, 579, 585, 610, 702, 732, 772, 780, 793, 810, 915, 965, 1053, 1098, 1158, 1170, 1220, 1404, 1586, 1620, 1647, 1737, 1755, 1830, 1930, 2106, 2196, 2316, 2340, 2379, 2509, 2745, 2895, 3172, 3294, 3474, 3510, 3660, 3860, 3965, 4212, 4758, 4941, 5018, 5211, 5265, 5490, 5790, 6588, 6948, 7020, 7137, 7527, 7930, 8235, 8685, 9516, 9882, 10036, 10422, 10530, 10980, 11580, 11773, 11895, 12545, 14274, 15054, 15633, 15860, 16470, 17370, 19764, 20844, 21060, 21411, 22581, 23546, 23790, 24705, 25090, 26055, 28548, 30108, 31266, 32940, 34740, 35319, 35685, 37635, 42822, 45162, 47092, 47580, 49410, 50180, 52110, 58865, 62532, 64233, 67743, 70638, 71370, 75270, 78165, 85644, 90324, 98820, 104220, 105957, 107055, 112905, 117730, 128466, 135486, 141276, 142740, 150540, 153049, 156330, 176595, 203229, 211914, 214110, 225810, 235460, 256932, 270972, 306098, 312660, 317871, 321165, 338715, 353190, 406458, 423828, 428220, 451620, 459147, 529785, 612196, 635742, 642330, 677430, 706380, 765245, 812916, 918294, 953613, 1016145, 1059570, 1271484, 1284660, 1354860, 1377441, 1530490, 1589355, 1836588, 1907226, 2032290, 2119140, 2295735, 2754882, 3060980, 3178710, 3814452, 4064580, 4132323, 4591470, 4768065, 5509764, 6357420, 6887205, 8264646, 9182940, 9536130, 12396969, 13774410, 16529292, 19072260, 20661615, 24793938, 27548820, 41323230, 49587876, 61984845, 82646460, 123969690, 247939380]

約数ペア:

[(1, 247939380), (2, 123969690), (3, 82646460), (4, 61984845), (5, 49587876), (6, 41323230), (9, 27548820), (10, 24793938), (12, 20661615), (13, 19072260), (15, 16529292), (18, 13774410), (20, 12396969), (26, 9536130), (27, 9182940), (30, 8264646), (36, 6887205), (39, 6357420), (45, 5509764), (52, 4768065), (54, 4591470), (60, 4132323), (61, 4064580), (65, 3814452), (78, 3178710), (81, 3060980), (90, 2754882), (108, 2295735), (117, 2119140), (122, 2032290), (130, 1907226), (135, 1836588), (156, 1589355), (162, 1530490), (180, 1377441), (183, 1354860), (193, 1284660), (195, 1271484), (234, 1059570), (244, 1016145), (260, 953613), (270, 918294), (305, 812916), (324, 765245), (351, 706380), (366, 677430), (386, 642330), (390, 635742), (405, 612196), (468, 529785), (540, 459147), (549, 451620), (579, 428220), (585, 423828), (610, 406458), (702, 353190), (732, 338715), (772, 321165), (780, 317871), (793, 312660), (810, 306098), (915, 270972), (965, 256932), (1053, 235460), (1098, 225810), (1158, 214110), (1170, 211914), (1220, 203229), (1404, 176595), (1586, 156330), (1620, 153049), (1647, 150540), (1737, 142740), (1755, 141276), (1830, 135486), (1930, 128466), (2106, 117730), (2196, 112905), (2316, 107055), (2340, 105957), (2379, 104220), (2509, 98820), (2745, 90324), (2895, 85644), (3172, 78165), (3294, 75270), (3474, 71370), (3510, 70638), (3660, 67743), (3860, 64233), (3965, 62532), (4212, 58865), (4758, 52110), (4941, 50180), (5018, 49410), (5211, 47580), (5265, 47092), (5490, 45162), (5790, 42822), (6588, 37635), (6948, 35685), (7020, 35319), (7137, 34740), (7527, 32940), (7930, 31266), (8235, 30108), (8685, 28548), (9516, 26055), (9882, 25090), (10036, 24705), (10422, 23790), (10530, 23546), (10980, 22581), (11580, 21411), (11773, 21060), (11895, 20844), (12545, 19764), (14274, 17370), (15054, 16470), (15633, 15860)]