261735480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:594

約数の個数: 192

約数和(自身を含む): 898560000

約数和(自身を除く): 636824520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 47, 60, 62, 72, 90, 93, 94, 120, 124, 141, 155, 180, 186, 188, 235, 248, 279, 282, 310, 360, 372, 376, 423, 465, 470, 499, 558, 564, 620, 705, 744, 846, 930, 940, 998, 1116, 1128, 1240, 1395, 1410, 1457, 1497, 1692, 1860, 1880, 1996, 2115, 2232, 2495, 2790, 2820, 2914, 2994, 3384, 3720, 3992, 4230, 4371, 4491, 4990, 5580, 5640, 5828, 5988, 7285, 7485, 8460, 8742, 8982, 9980, 11160, 11656, 11976, 13113, 14570, 14970, 15469, 16920, 17484, 17964, 19960, 21855, 22455, 23453, 26226, 29140, 29940, 30938, 34968, 35928, 43710, 44910, 46407, 46906, 52452, 58280, 59880, 61876, 65565, 70359, 77345, 87420, 89820, 92814, 93812, 104904, 117265, 123752, 131130, 139221, 140718, 154690, 174840, 179640, 185628, 187624, 211077, 232035, 234530, 262260, 278442, 281436, 309380, 351795, 371256, 422154, 464070, 469060, 524520, 556884, 562872, 618760, 696105, 703590, 727043, 844308, 928140, 938120, 1055385, 1113768, 1392210, 1407180, 1454086, 1688616, 1856280, 2110770, 2181129, 2784420, 2814360, 2908172, 3635215, 4221540, 4362258, 5568840, 5816344, 6543387, 7270430, 8443080, 8724516, 10905645, 13086774, 14540860, 17449032, 21811290, 26173548, 29081720, 32716935, 43622580, 52347096, 65433870, 87245160, 130867740, 261735480]

約数ペア:

[(1, 261735480), (2, 130867740), (3, 87245160), (4, 65433870), (5, 52347096), (6, 43622580), (8, 32716935), (9, 29081720), (10, 26173548), (12, 21811290), (15, 17449032), (18, 14540860), (20, 13086774), (24, 10905645), (30, 8724516), (31, 8443080), (36, 7270430), (40, 6543387), (45, 5816344), (47, 5568840), (60, 4362258), (62, 4221540), (72, 3635215), (90, 2908172), (93, 2814360), (94, 2784420), (120, 2181129), (124, 2110770), (141, 1856280), (155, 1688616), (180, 1454086), (186, 1407180), (188, 1392210), (235, 1113768), (248, 1055385), (279, 938120), (282, 928140), (310, 844308), (360, 727043), (372, 703590), (376, 696105), (423, 618760), (465, 562872), (470, 556884), (499, 524520), (558, 469060), (564, 464070), (620, 422154), (705, 371256), (744, 351795), (846, 309380), (930, 281436), (940, 278442), (998, 262260), (1116, 234530), (1128, 232035), (1240, 211077), (1395, 187624), (1410, 185628), (1457, 179640), (1497, 174840), (1692, 154690), (1860, 140718), (1880, 139221), (1996, 131130), (2115, 123752), (2232, 117265), (2495, 104904), (2790, 93812), (2820, 92814), (2914, 89820), (2994, 87420), (3384, 77345), (3720, 70359), (3992, 65565), (4230, 61876), (4371, 59880), (4491, 58280), (4990, 52452), (5580, 46906), (5640, 46407), (5828, 44910), (5988, 43710), (7285, 35928), (7485, 34968), (8460, 30938), (8742, 29940), (8982, 29140), (9980, 26226), (11160, 23453), (11656, 22455), (11976, 21855), (13113, 19960), (14570, 17964), (14970, 17484), (15469, 16920)]