721306560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2055

約数の個数: 224

約数和(自身を含む): 2552639040

約数和(自身を除く): 1831332480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 32, 39, 40, 48, 52, 58, 60, 64, 65, 78, 80, 87, 96, 104, 116, 120, 130, 145, 156, 160, 174, 192, 195, 208, 232, 240, 260, 290, 312, 320, 348, 377, 390, 416, 435, 464, 480, 520, 580, 624, 696, 754, 780, 832, 870, 928, 960, 1040, 1131, 1160, 1248, 1392, 1508, 1560, 1740, 1856, 1885, 1993, 2080, 2262, 2320, 2496, 2784, 3016, 3120, 3480, 3770, 3986, 4160, 4524, 4640, 5568, 5655, 5979, 6032, 6240, 6960, 7540, 7972, 9048, 9280, 9965, 11310, 11958, 12064, 12480, 13920, 15080, 15944, 18096, 19930, 22620, 23916, 24128, 25909, 27840, 29895, 30160, 31888, 36192, 39860, 45240, 47832, 51818, 57797, 59790, 60320, 63776, 72384, 77727, 79720, 90480, 95664, 103636, 115594, 119580, 120640, 127552, 129545, 155454, 159440, 173391, 180960, 191328, 207272, 231188, 239160, 259090, 288985, 310908, 318880, 346782, 361920, 382656, 388635, 414544, 462376, 478320, 518180, 577970, 621816, 637760, 693564, 751361, 777270, 829088, 866955, 924752, 956640, 1036360, 1155940, 1243632, 1387128, 1502722, 1554540, 1658176, 1733910, 1849504, 1913280, 2072720, 2254083, 2311880, 2487264, 2774256, 3005444, 3109080, 3467820, 3699008, 3756805, 4145440, 4508166, 4623760, 4974528, 5548512, 6010888, 6218160, 6935640, 7513610, 8290880, 9016332, 9247520, 11097024, 11270415, 12021776, 12436320, 13871280, 15027220, 18032664, 18495040, 22540830, 24043552, 24872640, 27742560, 30054440, 36065328, 45081660, 48087104, 55485120, 60108880, 72130656, 90163320, 120217760, 144261312, 180326640, 240435520, 360653280, 721306560]

約数ペア:

[(1, 721306560), (2, 360653280), (3, 240435520), (4, 180326640), (5, 144261312), (6, 120217760), (8, 90163320), (10, 72130656), (12, 60108880), (13, 55485120), (15, 48087104), (16, 45081660), (20, 36065328), (24, 30054440), (26, 27742560), (29, 24872640), (30, 24043552), (32, 22540830), (39, 18495040), (40, 18032664), (48, 15027220), (52, 13871280), (58, 12436320), (60, 12021776), (64, 11270415), (65, 11097024), (78, 9247520), (80, 9016332), (87, 8290880), (96, 7513610), (104, 6935640), (116, 6218160), (120, 6010888), (130, 5548512), (145, 4974528), (156, 4623760), (160, 4508166), (174, 4145440), (192, 3756805), (195, 3699008), (208, 3467820), (232, 3109080), (240, 3005444), (260, 2774256), (290, 2487264), (312, 2311880), (320, 2254083), (348, 2072720), (377, 1913280), (390, 1849504), (416, 1733910), (435, 1658176), (464, 1554540), (480, 1502722), (520, 1387128), (580, 1243632), (624, 1155940), (696, 1036360), (754, 956640), (780, 924752), (832, 866955), (870, 829088), (928, 777270), (960, 751361), (1040, 693564), (1131, 637760), (1160, 621816), (1248, 577970), (1392, 518180), (1508, 478320), (1560, 462376), (1740, 414544), (1856, 388635), (1885, 382656), (1993, 361920), (2080, 346782), (2262, 318880), (2320, 310908), (2496, 288985), (2784, 259090), (3016, 239160), (3120, 231188), (3480, 207272), (3770, 191328), (3986, 180960), (4160, 173391), (4524, 159440), (4640, 155454), (5568, 129545), (5655, 127552), (5979, 120640), (6032, 119580), (6240, 115594), (6960, 103636), (7540, 95664), (7972, 90480), (9048, 79720), (9280, 77727), (9965, 72384), (11310, 63776), (11958, 60320), (12064, 59790), (12480, 57797), (13920, 51818), (15080, 47832), (15944, 45240), (18096, 39860), (19930, 36192), (22620, 31888), (23916, 30160), (24128, 29895), (25909, 27840)]