68733840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:437

約数の個数: 160

約数和(自身を含む): 245984256

約数和(自身を除く): 177250416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 163, 168, 210, 240, 251, 280, 326, 336, 420, 489, 502, 560, 652, 753, 815, 840, 978, 1004, 1141, 1255, 1304, 1506, 1630, 1680, 1757, 1956, 2008, 2282, 2445, 2510, 2608, 3012, 3260, 3423, 3514, 3765, 3912, 4016, 4564, 4890, 5020, 5271, 5705, 6024, 6520, 6846, 7028, 7530, 7824, 8785, 9128, 9780, 10040, 10542, 11410, 12048, 13040, 13692, 14056, 15060, 17115, 17570, 18256, 19560, 20080, 21084, 22820, 26355, 27384, 28112, 30120, 34230, 35140, 39120, 40913, 42168, 45640, 52710, 54768, 60240, 68460, 70280, 81826, 84336, 91280, 105420, 122739, 136920, 140560, 163652, 204565, 210840, 245478, 273840, 286391, 327304, 409130, 421680, 490956, 572782, 613695, 654608, 818260, 859173, 981912, 1145564, 1227390, 1431955, 1636520, 1718346, 1963824, 2291128, 2454780, 2863910, 3273040, 3436692, 4295865, 4582256, 4909560, 5727820, 6873384, 8591730, 9819120, 11455640, 13746768, 17183460, 22911280, 34366920, 68733840]

約数ペア:

[(1, 68733840), (2, 34366920), (3, 22911280), (4, 17183460), (5, 13746768), (6, 11455640), (7, 9819120), (8, 8591730), (10, 6873384), (12, 5727820), (14, 4909560), (15, 4582256), (16, 4295865), (20, 3436692), (21, 3273040), (24, 2863910), (28, 2454780), (30, 2291128), (35, 1963824), (40, 1718346), (42, 1636520), (48, 1431955), (56, 1227390), (60, 1145564), (70, 981912), (80, 859173), (84, 818260), (105, 654608), (112, 613695), (120, 572782), (140, 490956), (163, 421680), (168, 409130), (210, 327304), (240, 286391), (251, 273840), (280, 245478), (326, 210840), (336, 204565), (420, 163652), (489, 140560), (502, 136920), (560, 122739), (652, 105420), (753, 91280), (815, 84336), (840, 81826), (978, 70280), (1004, 68460), (1141, 60240), (1255, 54768), (1304, 52710), (1506, 45640), (1630, 42168), (1680, 40913), (1757, 39120), (1956, 35140), (2008, 34230), (2282, 30120), (2445, 28112), (2510, 27384), (2608, 26355), (3012, 22820), (3260, 21084), (3423, 20080), (3514, 19560), (3765, 18256), (3912, 17570), (4016, 17115), (4564, 15060), (4890, 14056), (5020, 13692), (5271, 13040), (5705, 12048), (6024, 11410), (6520, 10542), (6846, 10040), (7028, 9780), (7530, 9128), (7824, 8785)]