1809745280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 256

約数和(自身を含む): 5198376960

約数和(自身を除く): 3388631680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 83, 112, 124, 128, 140, 155, 157, 160, 166, 217, 224, 248, 280, 310, 314, 320, 332, 415, 434, 448, 496, 560, 581, 620, 628, 640, 664, 785, 830, 868, 896, 992, 1085, 1099, 1120, 1162, 1240, 1256, 1328, 1570, 1660, 1736, 1984, 2170, 2198, 2240, 2324, 2480, 2512, 2573, 2656, 2905, 3140, 3320, 3472, 3968, 4340, 4396, 4480, 4648, 4867, 4960, 5024, 5146, 5312, 5495, 5810, 6280, 6640, 6944, 8680, 8792, 9296, 9734, 9920, 10048, 10292, 10624, 10990, 11620, 12560, 12865, 13031, 13280, 13888, 17360, 17584, 18011, 18592, 19468, 19840, 20096, 20584, 21980, 23240, 24335, 25120, 25730, 26062, 26560, 27776, 34069, 34720, 35168, 36022, 37184, 38936, 41168, 43960, 46480, 48670, 50240, 51460, 52124, 53120, 65155, 68138, 69440, 70336, 72044, 74368, 77872, 82336, 87920, 90055, 91217, 92960, 97340, 100480, 102920, 104248, 130310, 136276, 138880, 140672, 144088, 155744, 164672, 170345, 175840, 180110, 182434, 185920, 194680, 205840, 208496, 260620, 272552, 288176, 311488, 329344, 340690, 351680, 360220, 364868, 371840, 389360, 403961, 411680, 416992, 456085, 521240, 545104, 576352, 622976, 681380, 703360, 720440, 729736, 778720, 807922, 823360, 833984, 912170, 1042480, 1090208, 1152704, 1362760, 1440880, 1459472, 1557440, 1615844, 1646720, 1667968, 1824340, 2019805, 2084960, 2180416, 2305408, 2725520, 2827727, 2881760, 2918944, 3114880, 3231688, 3648680, 4039610, 4169920, 4360832, 5451040, 5655454, 5763520, 5837888, 6463376, 7297360, 8079220, 8339840, 10902080, 11310908, 11527040, 11675776, 12926752, 14138635, 14594720, 16158440, 21804160, 22621816, 25853504, 28277270, 29189440, 32316880, 45243632, 51707008, 56554540, 58378880, 64633760, 90487264, 113109080, 129267520, 180974528, 226218160, 258535040, 361949056, 452436320, 904872640, 1809745280]

約数ペア:

[(1, 1809745280), (2, 904872640), (4, 452436320), (5, 361949056), (7, 258535040), (8, 226218160), (10, 180974528), (14, 129267520), (16, 113109080), (20, 90487264), (28, 64633760), (31, 58378880), (32, 56554540), (35, 51707008), (40, 45243632), (56, 32316880), (62, 29189440), (64, 28277270), (70, 25853504), (80, 22621816), (83, 21804160), (112, 16158440), (124, 14594720), (128, 14138635), (140, 12926752), (155, 11675776), (157, 11527040), (160, 11310908), (166, 10902080), (217, 8339840), (224, 8079220), (248, 7297360), (280, 6463376), (310, 5837888), (314, 5763520), (320, 5655454), (332, 5451040), (415, 4360832), (434, 4169920), (448, 4039610), (496, 3648680), (560, 3231688), (581, 3114880), (620, 2918944), (628, 2881760), (640, 2827727), (664, 2725520), (785, 2305408), (830, 2180416), (868, 2084960), (896, 2019805), (992, 1824340), (1085, 1667968), (1099, 1646720), (1120, 1615844), (1162, 1557440), (1240, 1459472), (1256, 1440880), (1328, 1362760), (1570, 1152704), (1660, 1090208), (1736, 1042480), (1984, 912170), (2170, 833984), (2198, 823360), (2240, 807922), (2324, 778720), (2480, 729736), (2512, 720440), (2573, 703360), (2656, 681380), (2905, 622976), (3140, 576352), (3320, 545104), (3472, 521240), (3968, 456085), (4340, 416992), (4396, 411680), (4480, 403961), (4648, 389360), (4867, 371840), (4960, 364868), (5024, 360220), (5146, 351680), (5312, 340690), (5495, 329344), (5810, 311488), (6280, 288176), (6640, 272552), (6944, 260620), (8680, 208496), (8792, 205840), (9296, 194680), (9734, 185920), (9920, 182434), (10048, 180110), (10292, 175840), (10624, 170345), (10990, 164672), (11620, 155744), (12560, 144088), (12865, 140672), (13031, 138880), (13280, 136276), (13888, 130310), (17360, 104248), (17584, 102920), (18011, 100480), (18592, 97340), (19468, 92960), (19840, 91217), (20096, 90055), (20584, 87920), (21980, 82336), (23240, 77872), (24335, 74368), (25120, 72044), (25730, 70336), (26062, 69440), (26560, 68138), (27776, 65155), (34069, 53120), (34720, 52124), (35168, 51460), (36022, 50240), (37184, 48670), (38936, 46480), (41168, 43960)]