1819089920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 176

約数和(自身を含む): 4595236608

約数和(自身を除く): 2776146688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 73, 80, 124, 128, 146, 155, 157, 160, 248, 256, 292, 310, 314, 320, 365, 496, 512, 584, 620, 628, 640, 730, 785, 992, 1024, 1168, 1240, 1256, 1280, 1460, 1570, 1984, 2263, 2336, 2480, 2512, 2560, 2920, 3140, 3968, 4526, 4672, 4867, 4960, 5024, 5120, 5840, 6280, 7936, 9052, 9344, 9734, 9920, 10048, 11315, 11461, 11680, 12560, 15872, 18104, 18688, 19468, 19840, 20096, 22630, 22922, 23360, 24335, 25120, 31744, 36208, 37376, 38936, 39680, 40192, 45260, 45844, 46720, 48670, 50240, 57305, 72416, 74752, 77872, 79360, 80384, 90520, 91688, 93440, 97340, 100480, 114610, 144832, 155744, 158720, 160768, 181040, 183376, 186880, 194680, 200960, 229220, 289664, 311488, 355291, 362080, 366752, 373760, 389360, 401920, 458440, 579328, 622976, 710582, 724160, 733504, 778720, 803840, 916880, 1158656, 1245952, 1421164, 1448320, 1467008, 1557440, 1776455, 1833760, 2317312, 2491904, 2842328, 2896640, 2934016, 3114880, 3552910, 3667520, 4983808, 5684656, 5793280, 5868032, 6229760, 7105820, 7335040, 11369312, 11586560, 11736064, 12459520, 14211640, 14670080, 22738624, 24919040, 28423280, 29340160, 45477248, 56846560, 58680320, 90954496, 113693120, 181908992, 227386240, 363817984, 454772480, 909544960, 1819089920]

約数ペア:

[(1, 1819089920), (2, 909544960), (4, 454772480), (5, 363817984), (8, 227386240), (10, 181908992), (16, 113693120), (20, 90954496), (31, 58680320), (32, 56846560), (40, 45477248), (62, 29340160), (64, 28423280), (73, 24919040), (80, 22738624), (124, 14670080), (128, 14211640), (146, 12459520), (155, 11736064), (157, 11586560), (160, 11369312), (248, 7335040), (256, 7105820), (292, 6229760), (310, 5868032), (314, 5793280), (320, 5684656), (365, 4983808), (496, 3667520), (512, 3552910), (584, 3114880), (620, 2934016), (628, 2896640), (640, 2842328), (730, 2491904), (785, 2317312), (992, 1833760), (1024, 1776455), (1168, 1557440), (1240, 1467008), (1256, 1448320), (1280, 1421164), (1460, 1245952), (1570, 1158656), (1984, 916880), (2263, 803840), (2336, 778720), (2480, 733504), (2512, 724160), (2560, 710582), (2920, 622976), (3140, 579328), (3968, 458440), (4526, 401920), (4672, 389360), (4867, 373760), (4960, 366752), (5024, 362080), (5120, 355291), (5840, 311488), (6280, 289664), (7936, 229220), (9052, 200960), (9344, 194680), (9734, 186880), (9920, 183376), (10048, 181040), (11315, 160768), (11461, 158720), (11680, 155744), (12560, 144832), (15872, 114610), (18104, 100480), (18688, 97340), (19468, 93440), (19840, 91688), (20096, 90520), (22630, 80384), (22922, 79360), (23360, 77872), (24335, 74752), (25120, 72416), (31744, 57305), (36208, 50240), (37376, 48670), (38936, 46720), (39680, 45844), (40192, 45260)]