638205840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2267}}^1$

素因数の和:2326

約数の個数: 240

約数和(自身を含む): 2369098368

約数和(自身を除く): 1730892528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 30, 34, 36, 40, 45, 46, 48, 51, 60, 68, 69, 72, 80, 85, 90, 92, 102, 115, 120, 136, 138, 144, 153, 170, 180, 184, 204, 207, 230, 240, 255, 272, 276, 306, 340, 345, 360, 368, 391, 408, 414, 460, 510, 552, 612, 680, 690, 720, 765, 782, 816, 828, 920, 1020, 1035, 1104, 1173, 1224, 1360, 1380, 1530, 1564, 1656, 1840, 1955, 2040, 2070, 2267, 2346, 2448, 2760, 3060, 3128, 3312, 3519, 3910, 4080, 4140, 4534, 4692, 5520, 5865, 6120, 6256, 6801, 7038, 7820, 8280, 9068, 9384, 11335, 11730, 12240, 13602, 14076, 15640, 16560, 17595, 18136, 18768, 20403, 22670, 23460, 27204, 28152, 31280, 34005, 35190, 36272, 38539, 40806, 45340, 46920, 52141, 54408, 56304, 68010, 70380, 77078, 81612, 90680, 93840, 102015, 104282, 108816, 115617, 136020, 140760, 154156, 156423, 163224, 181360, 192695, 204030, 208564, 231234, 260705, 272040, 281520, 308312, 312846, 326448, 346851, 385390, 408060, 417128, 462468, 469269, 521410, 544080, 578085, 616624, 625692, 693702, 770780, 782115, 816120, 834256, 886397, 924936, 938538, 1042820, 1156170, 1251384, 1387404, 1541560, 1564230, 1632240, 1734255, 1772794, 1849872, 1877076, 2085640, 2312340, 2346345, 2502768, 2659191, 2774808, 3083120, 3128460, 3468510, 3545588, 3754152, 4171280, 4431985, 4624680, 4692690, 5318382, 5549616, 6256920, 6937020, 7091176, 7508304, 7977573, 8863970, 9249360, 9385380, 10636764, 12513840, 13295955, 13874040, 14182352, 15955146, 17727940, 18770760, 21273528, 26591910, 27748080, 31910292, 35455880, 37541520, 39887865, 42547056, 53183820, 63820584, 70911760, 79775730, 106367640, 127641168, 159551460, 212735280, 319102920, 638205840]

約数ペア:

[(1, 638205840), (2, 319102920), (3, 212735280), (4, 159551460), (5, 127641168), (6, 106367640), (8, 79775730), (9, 70911760), (10, 63820584), (12, 53183820), (15, 42547056), (16, 39887865), (17, 37541520), (18, 35455880), (20, 31910292), (23, 27748080), (24, 26591910), (30, 21273528), (34, 18770760), (36, 17727940), (40, 15955146), (45, 14182352), (46, 13874040), (48, 13295955), (51, 12513840), (60, 10636764), (68, 9385380), (69, 9249360), (72, 8863970), (80, 7977573), (85, 7508304), (90, 7091176), (92, 6937020), (102, 6256920), (115, 5549616), (120, 5318382), (136, 4692690), (138, 4624680), (144, 4431985), (153, 4171280), (170, 3754152), (180, 3545588), (184, 3468510), (204, 3128460), (207, 3083120), (230, 2774808), (240, 2659191), (255, 2502768), (272, 2346345), (276, 2312340), (306, 2085640), (340, 1877076), (345, 1849872), (360, 1772794), (368, 1734255), (391, 1632240), (408, 1564230), (414, 1541560), (460, 1387404), (510, 1251384), (552, 1156170), (612, 1042820), (680, 938538), (690, 924936), (720, 886397), (765, 834256), (782, 816120), (816, 782115), (828, 770780), (920, 693702), (1020, 625692), (1035, 616624), (1104, 578085), (1173, 544080), (1224, 521410), (1360, 469269), (1380, 462468), (1530, 417128), (1564, 408060), (1656, 385390), (1840, 346851), (1955, 326448), (2040, 312846), (2070, 308312), (2267, 281520), (2346, 272040), (2448, 260705), (2760, 231234), (3060, 208564), (3128, 204030), (3312, 192695), (3519, 181360), (3910, 163224), (4080, 156423), (4140, 154156), (4534, 140760), (4692, 136020), (5520, 115617), (5865, 108816), (6120, 104282), (6256, 102015), (6801, 93840), (7038, 90680), (7820, 81612), (8280, 77078), (9068, 70380), (9384, 68010), (11335, 56304), (11730, 54408), (12240, 52141), (13602, 46920), (14076, 45340), (15640, 40806), (16560, 38539), (17595, 36272), (18136, 35190), (18768, 34005), (20403, 31280), (22670, 28152), (23460, 27204)]