19888955520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{87049}}^1$

素因数の和:87095

約数の個数: 256

約数和(自身を含む): 76715424000

約数和(自身を除く): 56826468480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 272, 280, 320, 336, 340, 357, 384, 408, 420, 448, 476, 480, 510, 544, 560, 595, 640, 672, 680, 714, 816, 840, 896, 952, 960, 1020, 1088, 1120, 1190, 1344, 1360, 1428, 1632, 1680, 1785, 1904, 1920, 2040, 2176, 2240, 2380, 2688, 2720, 2856, 3264, 3360, 3570, 3808, 4080, 4480, 4760, 5440, 5712, 6528, 6720, 7140, 7616, 8160, 9520, 10880, 11424, 13440, 14280, 15232, 16320, 19040, 22848, 28560, 32640, 38080, 45696, 57120, 76160, 87049, 114240, 174098, 228480, 261147, 348196, 435245, 522294, 609343, 696392, 870490, 1044588, 1218686, 1305735, 1392784, 1479833, 1740980, 1828029, 2089176, 2437372, 2611470, 2785568, 2959666, 3046715, 3481960, 3656058, 4178352, 4439499, 4874744, 5222940, 5571136, 5919332, 6093430, 6963920, 7312116, 7399165, 8356704, 8878998, 9140145, 9749488, 10358831, 10445880, 11142272, 11838664, 12186860, 13927840, 14624232, 14798330, 16713408, 17757996, 18280290, 19498976, 20717662, 20891760, 22197495, 23677328, 24373720, 27855680, 29248464, 29596660, 31076493, 33426816, 35515992, 36560580, 38997952, 41435324, 41783520, 44394990, 47354656, 48747440, 51794155, 55711360, 58496928, 59193320, 62152986, 71031984, 73121160, 77995904, 82870648, 83567040, 88789980, 94709312, 97494880, 103588310, 116993856, 118386640, 124305972, 142063968, 146242320, 155382465, 165741296, 167134080, 177579960, 189418624, 194989760, 207176620, 233987712, 236773280, 248611944, 284127936, 292484640, 310764930, 331482592, 355159920, 389979520, 414353240, 473546560, 497223888, 568255872, 584969280, 621529860, 662965184, 710319840, 828706480, 947093120, 994447776, 1169938560, 1243059720, 1325930368, 1420639680, 1657412960, 1988895552, 2486119440, 2841279360, 3314825920, 3977791104, 4972238880, 6629651840, 9944477760, 19888955520]

約数ペア:

[(1, 19888955520), (2, 9944477760), (3, 6629651840), (4, 4972238880), (5, 3977791104), (6, 3314825920), (7, 2841279360), (8, 2486119440), (10, 1988895552), (12, 1657412960), (14, 1420639680), (15, 1325930368), (16, 1243059720), (17, 1169938560), (20, 994447776), (21, 947093120), (24, 828706480), (28, 710319840), (30, 662965184), (32, 621529860), (34, 584969280), (35, 568255872), (40, 497223888), (42, 473546560), (48, 414353240), (51, 389979520), (56, 355159920), (60, 331482592), (64, 310764930), (68, 292484640), (70, 284127936), (80, 248611944), (84, 236773280), (85, 233987712), (96, 207176620), (102, 194989760), (105, 189418624), (112, 177579960), (119, 167134080), (120, 165741296), (128, 155382465), (136, 146242320), (140, 142063968), (160, 124305972), (168, 118386640), (170, 116993856), (192, 103588310), (204, 97494880), (210, 94709312), (224, 88789980), (238, 83567040), (240, 82870648), (255, 77995904), (272, 73121160), (280, 71031984), (320, 62152986), (336, 59193320), (340, 58496928), (357, 55711360), (384, 51794155), (408, 48747440), (420, 47354656), (448, 44394990), (476, 41783520), (480, 41435324), (510, 38997952), (544, 36560580), (560, 35515992), (595, 33426816), (640, 31076493), (672, 29596660), (680, 29248464), (714, 27855680), (816, 24373720), (840, 23677328), (896, 22197495), (952, 20891760), (960, 20717662), (1020, 19498976), (1088, 18280290), (1120, 17757996), (1190, 16713408), (1344, 14798330), (1360, 14624232), (1428, 13927840), (1632, 12186860), (1680, 11838664), (1785, 11142272), (1904, 10445880), (1920, 10358831), (2040, 9749488), (2176, 9140145), (2240, 8878998), (2380, 8356704), (2688, 7399165), (2720, 7312116), (2856, 6963920), (3264, 6093430), (3360, 5919332), (3570, 5571136), (3808, 5222940), (4080, 4874744), (4480, 4439499), (4760, 4178352), (5440, 3656058), (5712, 3481960), (6528, 3046715), (6720, 2959666), (7140, 2785568), (7616, 2611470), (8160, 2437372), (9520, 2089176), (10880, 1828029), (11424, 1740980), (13440, 1479833), (14280, 1392784), (15232, 1305735), (16320, 1218686), (19040, 1044588), (22848, 870490), (28560, 696392), (32640, 609343), (38080, 522294), (45696, 435245), (57120, 348196), (76160, 261147), (87049, 228480), (114240, 174098)]