249474420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 216

約数和(自身を含む): 839311200

約数和(自身を除く): 589836780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 59, 60, 65, 78, 90, 117, 118, 130, 139, 156, 169, 177, 180, 195, 234, 236, 260, 278, 295, 338, 354, 390, 417, 468, 507, 531, 556, 585, 590, 676, 695, 708, 767, 780, 834, 845, 885, 1014, 1062, 1170, 1180, 1251, 1390, 1521, 1534, 1668, 1690, 1770, 1807, 2028, 2085, 2124, 2301, 2340, 2502, 2535, 2655, 2780, 3042, 3068, 3380, 3540, 3614, 3835, 4170, 4602, 5004, 5070, 5310, 5421, 6084, 6255, 6903, 7228, 7605, 7670, 8201, 8340, 9035, 9204, 9971, 10140, 10620, 10842, 11505, 12510, 13806, 15210, 15340, 16263, 16402, 18070, 19942, 21684, 23010, 23491, 24603, 25020, 27105, 27612, 29913, 30420, 32526, 32804, 34515, 36140, 39884, 41005, 46020, 46982, 49206, 49855, 54210, 59826, 65052, 69030, 70473, 73809, 81315, 82010, 89739, 93964, 98412, 99710, 106613, 108420, 117455, 119652, 123015, 138060, 140946, 147618, 149565, 162630, 164020, 179478, 199420, 211419, 213226, 234910, 246030, 281892, 295236, 299130, 319839, 325260, 352365, 358956, 369045, 422838, 426452, 448695, 469820, 492060, 533065, 598260, 639678, 704730, 738090, 845676, 897390, 959517, 1057095, 1066130, 1279356, 1385969, 1409460, 1476180, 1599195, 1794780, 1919034, 2114190, 2132260, 2771938, 3198390, 3838068, 4157907, 4228380, 4797585, 5543876, 6396780, 6929845, 8315814, 9595170, 12473721, 13859690, 16631628, 19190340, 20789535, 24947442, 27719380, 41579070, 49894884, 62368605, 83158140, 124737210, 249474420]

約数ペア:

[(1, 249474420), (2, 124737210), (3, 83158140), (4, 62368605), (5, 49894884), (6, 41579070), (9, 27719380), (10, 24947442), (12, 20789535), (13, 19190340), (15, 16631628), (18, 13859690), (20, 12473721), (26, 9595170), (30, 8315814), (36, 6929845), (39, 6396780), (45, 5543876), (52, 4797585), (59, 4228380), (60, 4157907), (65, 3838068), (78, 3198390), (90, 2771938), (117, 2132260), (118, 2114190), (130, 1919034), (139, 1794780), (156, 1599195), (169, 1476180), (177, 1409460), (180, 1385969), (195, 1279356), (234, 1066130), (236, 1057095), (260, 959517), (278, 897390), (295, 845676), (338, 738090), (354, 704730), (390, 639678), (417, 598260), (468, 533065), (507, 492060), (531, 469820), (556, 448695), (585, 426452), (590, 422838), (676, 369045), (695, 358956), (708, 352365), (767, 325260), (780, 319839), (834, 299130), (845, 295236), (885, 281892), (1014, 246030), (1062, 234910), (1170, 213226), (1180, 211419), (1251, 199420), (1390, 179478), (1521, 164020), (1534, 162630), (1668, 149565), (1690, 147618), (1770, 140946), (1807, 138060), (2028, 123015), (2085, 119652), (2124, 117455), (2301, 108420), (2340, 106613), (2502, 99710), (2535, 98412), (2655, 93964), (2780, 89739), (3042, 82010), (3068, 81315), (3380, 73809), (3540, 70473), (3614, 69030), (3835, 65052), (4170, 59826), (4602, 54210), (5004, 49855), (5070, 49206), (5310, 46982), (5421, 46020), (6084, 41005), (6255, 39884), (6903, 36140), (7228, 34515), (7605, 32804), (7670, 32526), (8201, 30420), (8340, 29913), (9035, 27612), (9204, 27105), (9971, 25020), (10140, 24603), (10620, 23491), (10842, 23010), (11505, 21684), (12510, 19942), (13806, 18070), (15210, 16402), (15340, 16263)]