258320520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 192

約数和(自身を含む): 880588800

約数和(自身を除く): 622268280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 79, 90, 93, 120, 124, 155, 158, 180, 186, 237, 248, 279, 293, 310, 316, 360, 372, 395, 465, 474, 558, 586, 620, 632, 711, 744, 790, 879, 930, 948, 1116, 1172, 1185, 1240, 1395, 1422, 1465, 1580, 1758, 1860, 1896, 2232, 2344, 2370, 2449, 2637, 2790, 2844, 2930, 3160, 3516, 3555, 3720, 4395, 4740, 4898, 5274, 5580, 5688, 5860, 7032, 7110, 7347, 8790, 9083, 9480, 9796, 10548, 11160, 11720, 12245, 13185, 14220, 14694, 17580, 18166, 19592, 21096, 22041, 23147, 24490, 26370, 27249, 28440, 29388, 35160, 36332, 36735, 44082, 45415, 46294, 48980, 52740, 54498, 58776, 69441, 72664, 73470, 81747, 88164, 90830, 92588, 97960, 105480, 108996, 110205, 115735, 136245, 138882, 146940, 163494, 176328, 181660, 185176, 208323, 217992, 220410, 231470, 272490, 277764, 293880, 326988, 347205, 363320, 408735, 416646, 440820, 462940, 544980, 555528, 653976, 694410, 717557, 817470, 833292, 881640, 925880, 1041615, 1089960, 1388820, 1435114, 1634940, 1666584, 2083230, 2152671, 2777640, 2870228, 3269880, 3587785, 4166460, 4305342, 5740456, 6458013, 7175570, 8332920, 8610684, 10763355, 12916026, 14351140, 17221368, 21526710, 25832052, 28702280, 32290065, 43053420, 51664104, 64580130, 86106840, 129160260, 258320520]

約数ペア:

[(1, 258320520), (2, 129160260), (3, 86106840), (4, 64580130), (5, 51664104), (6, 43053420), (8, 32290065), (9, 28702280), (10, 25832052), (12, 21526710), (15, 17221368), (18, 14351140), (20, 12916026), (24, 10763355), (30, 8610684), (31, 8332920), (36, 7175570), (40, 6458013), (45, 5740456), (60, 4305342), (62, 4166460), (72, 3587785), (79, 3269880), (90, 2870228), (93, 2777640), (120, 2152671), (124, 2083230), (155, 1666584), (158, 1634940), (180, 1435114), (186, 1388820), (237, 1089960), (248, 1041615), (279, 925880), (293, 881640), (310, 833292), (316, 817470), (360, 717557), (372, 694410), (395, 653976), (465, 555528), (474, 544980), (558, 462940), (586, 440820), (620, 416646), (632, 408735), (711, 363320), (744, 347205), (790, 326988), (879, 293880), (930, 277764), (948, 272490), (1116, 231470), (1172, 220410), (1185, 217992), (1240, 208323), (1395, 185176), (1422, 181660), (1465, 176328), (1580, 163494), (1758, 146940), (1860, 138882), (1896, 136245), (2232, 115735), (2344, 110205), (2370, 108996), (2449, 105480), (2637, 97960), (2790, 92588), (2844, 90830), (2930, 88164), (3160, 81747), (3516, 73470), (3555, 72664), (3720, 69441), (4395, 58776), (4740, 54498), (4898, 52740), (5274, 48980), (5580, 46294), (5688, 45415), (5860, 44082), (7032, 36735), (7110, 36332), (7347, 35160), (8790, 29388), (9083, 28440), (9480, 27249), (9796, 26370), (10548, 24490), (11160, 23147), (11720, 22041), (12245, 21096), (13185, 19592), (14220, 18166), (14694, 17580)]