1628388720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{323093}}^1$

素因数の和:323119

約数の個数: 120

約数和(自身を含む): 6249930336

約数和(自身を除く): 4621541616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 323093, 646186, 969279, 1292372, 1615465, 1938558, 2261651, 2584744, 2907837, 3230930, 3877116, 4523302, 4846395, 5169488, 5815674, 6461860, 6784953, 7754232, 9046604, 9692790, 11308255, 11631348, 12923720, 13569906, 14539185, 15508464, 18093208, 19385580, 20354859, 22616510, 23262696, 25847440, 27139812, 29078370, 33924765, 36186416, 38771160, 40709718, 45233020, 46525392, 54279624, 58156740, 67849530, 77542320, 81419436, 90466040, 101774295, 108559248, 116313480, 135699060, 162838872, 180932080, 203548590, 232626960, 271398120, 325677744, 407097180, 542796240, 814194360, 1628388720]

約数ペア:

[(1, 1628388720), (2, 814194360), (3, 542796240), (4, 407097180), (5, 325677744), (6, 271398120), (7, 232626960), (8, 203548590), (9, 180932080), (10, 162838872), (12, 135699060), (14, 116313480), (15, 108559248), (16, 101774295), (18, 90466040), (20, 81419436), (21, 77542320), (24, 67849530), (28, 58156740), (30, 54279624), (35, 46525392), (36, 45233020), (40, 40709718), (42, 38771160), (45, 36186416), (48, 33924765), (56, 29078370), (60, 27139812), (63, 25847440), (70, 23262696), (72, 22616510), (80, 20354859), (84, 19385580), (90, 18093208), (105, 15508464), (112, 14539185), (120, 13569906), (126, 12923720), (140, 11631348), (144, 11308255), (168, 9692790), (180, 9046604), (210, 7754232), (240, 6784953), (252, 6461860), (280, 5815674), (315, 5169488), (336, 4846395), (360, 4523302), (420, 3877116), (504, 3230930), (560, 2907837), (630, 2584744), (720, 2261651), (840, 1938558), (1008, 1615465), (1260, 1292372), (1680, 969279), (2520, 646186), (5040, 323093)]