19728374120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40751}}^1$

素因数の和:40808

約数の個数: 192

約数和(自身を含む): 58536172800

約数和(自身を除く): 38807798680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 49, 52, 56, 65, 70, 76, 91, 95, 98, 104, 130, 133, 140, 152, 182, 190, 196, 245, 247, 260, 266, 280, 364, 380, 392, 455, 490, 494, 520, 532, 637, 665, 728, 760, 910, 931, 980, 988, 1064, 1235, 1274, 1330, 1729, 1820, 1862, 1960, 1976, 2470, 2548, 2660, 3185, 3458, 3640, 3724, 4655, 4940, 5096, 5320, 6370, 6916, 7448, 8645, 9310, 9880, 12103, 12740, 13832, 17290, 18620, 24206, 25480, 34580, 37240, 40751, 48412, 60515, 69160, 81502, 96824, 121030, 163004, 203755, 242060, 285257, 326008, 407510, 484120, 529763, 570514, 774269, 815020, 1059526, 1141028, 1426285, 1548538, 1630040, 1996799, 2119052, 2282056, 2648815, 2852570, 3097076, 3708341, 3871345, 3993598, 4238104, 5297630, 5419883, 5705140, 6194152, 7416682, 7742690, 7987196, 9983995, 10065497, 10595260, 10839766, 11410280, 14833364, 15485380, 15974392, 18541705, 19967990, 20130994, 21190520, 21679532, 25958387, 27099415, 29666728, 30970760, 37083410, 37939181, 39935980, 40261988, 43359064, 50327485, 51916774, 54198830, 70458479, 74166820, 75878362, 79871960, 80523976, 100654970, 103833548, 108397660, 129791935, 140916958, 148333640, 151756724, 189695905, 201309940, 207667096, 216795320, 259583870, 281833916, 303513448, 352292395, 379391810, 402619880, 493209353, 519167740, 563667832, 704584790, 758783620, 986418706, 1038335480, 1409169580, 1517567240, 1972837412, 2466046765, 2818339160, 3945674824, 4932093530, 9864187060, 19728374120]

約数ペア:

[(1, 19728374120), (2, 9864187060), (4, 4932093530), (5, 3945674824), (7, 2818339160), (8, 2466046765), (10, 1972837412), (13, 1517567240), (14, 1409169580), (19, 1038335480), (20, 986418706), (26, 758783620), (28, 704584790), (35, 563667832), (38, 519167740), (40, 493209353), (49, 402619880), (52, 379391810), (56, 352292395), (65, 303513448), (70, 281833916), (76, 259583870), (91, 216795320), (95, 207667096), (98, 201309940), (104, 189695905), (130, 151756724), (133, 148333640), (140, 140916958), (152, 129791935), (182, 108397660), (190, 103833548), (196, 100654970), (245, 80523976), (247, 79871960), (260, 75878362), (266, 74166820), (280, 70458479), (364, 54198830), (380, 51916774), (392, 50327485), (455, 43359064), (490, 40261988), (494, 39935980), (520, 37939181), (532, 37083410), (637, 30970760), (665, 29666728), (728, 27099415), (760, 25958387), (910, 21679532), (931, 21190520), (980, 20130994), (988, 19967990), (1064, 18541705), (1235, 15974392), (1274, 15485380), (1330, 14833364), (1729, 11410280), (1820, 10839766), (1862, 10595260), (1960, 10065497), (1976, 9983995), (2470, 7987196), (2548, 7742690), (2660, 7416682), (3185, 6194152), (3458, 5705140), (3640, 5419883), (3724, 5297630), (4655, 4238104), (4940, 3993598), (5096, 3871345), (5320, 3708341), (6370, 3097076), (6916, 2852570), (7448, 2648815), (8645, 2282056), (9310, 2119052), (9880, 1996799), (12103, 1630040), (12740, 1548538), (13832, 1426285), (17290, 1141028), (18620, 1059526), (24206, 815020), (25480, 774269), (34580, 570514), (37240, 529763), (40751, 484120), (48412, 407510), (60515, 326008), (69160, 285257), (81502, 242060), (96824, 203755), (121030, 163004)]