1301781760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:724

約数の個数: 144

約数和(自身を含む): 3284789760

約数和(自身を除く): 1983008000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 128, 155, 160, 212, 248, 256, 265, 310, 320, 424, 496, 530, 619, 620, 640, 848, 992, 1060, 1238, 1240, 1280, 1643, 1696, 1984, 2120, 2476, 2480, 3095, 3286, 3392, 3968, 4240, 4952, 4960, 6190, 6572, 6784, 7936, 8215, 8480, 9904, 9920, 12380, 13144, 13568, 16430, 16960, 19189, 19808, 19840, 24760, 26288, 32807, 32860, 33920, 38378, 39616, 39680, 49520, 52576, 65614, 65720, 67840, 76756, 79232, 95945, 99040, 105152, 131228, 131440, 153512, 158464, 164035, 191890, 198080, 210304, 262456, 262880, 307024, 328070, 383780, 396160, 420608, 524912, 525760, 614048, 656140, 767560, 792320, 1017017, 1049824, 1051520, 1228096, 1312280, 1535120, 2034034, 2099648, 2103040, 2456192, 2624560, 3070240, 4068068, 4199296, 4912384, 5085085, 5249120, 6140480, 8136136, 8398592, 10170170, 10498240, 12280960, 16272272, 20340340, 20996480, 24561920, 32544544, 40680680, 41992960, 65089088, 81361360, 130178176, 162722720, 260356352, 325445440, 650890880, 1301781760]

約数ペア:

[(1, 1301781760), (2, 650890880), (4, 325445440), (5, 260356352), (8, 162722720), (10, 130178176), (16, 81361360), (20, 65089088), (31, 41992960), (32, 40680680), (40, 32544544), (53, 24561920), (62, 20996480), (64, 20340340), (80, 16272272), (106, 12280960), (124, 10498240), (128, 10170170), (155, 8398592), (160, 8136136), (212, 6140480), (248, 5249120), (256, 5085085), (265, 4912384), (310, 4199296), (320, 4068068), (424, 3070240), (496, 2624560), (530, 2456192), (619, 2103040), (620, 2099648), (640, 2034034), (848, 1535120), (992, 1312280), (1060, 1228096), (1238, 1051520), (1240, 1049824), (1280, 1017017), (1643, 792320), (1696, 767560), (1984, 656140), (2120, 614048), (2476, 525760), (2480, 524912), (3095, 420608), (3286, 396160), (3392, 383780), (3968, 328070), (4240, 307024), (4952, 262880), (4960, 262456), (6190, 210304), (6572, 198080), (6784, 191890), (7936, 164035), (8215, 158464), (8480, 153512), (9904, 131440), (9920, 131228), (12380, 105152), (13144, 99040), (13568, 95945), (16430, 79232), (16960, 76756), (19189, 67840), (19808, 65720), (19840, 65614), (24760, 52576), (26288, 49520), (32807, 39680), (32860, 39616), (33920, 38378)]