1566806920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1091}}^1$

素因数の和:1355

約数の個数: 128

約数和(自身を含む): 4226826240

約数和(自身を除く): 2660019320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 223, 230, 280, 322, 446, 460, 644, 805, 892, 920, 1091, 1115, 1288, 1561, 1610, 1784, 2182, 2230, 3122, 3220, 4364, 4460, 5129, 5455, 6244, 6440, 7637, 7805, 8728, 8920, 10258, 10910, 12488, 15274, 15610, 20516, 21820, 25093, 25645, 30548, 31220, 35903, 38185, 41032, 43640, 50186, 51290, 61096, 62440, 71806, 76370, 100372, 102580, 125465, 143612, 152740, 175651, 179515, 200744, 205160, 243293, 250930, 287224, 305480, 351302, 359030, 486586, 501860, 702604, 718060, 878255, 973172, 1003720, 1216465, 1405208, 1436120, 1703051, 1756510, 1946344, 2432930, 3406102, 3513020, 4865860, 5595739, 6812204, 7026040, 8515255, 9731720, 11191478, 13624408, 17030510, 22382956, 27978695, 34061020, 39170173, 44765912, 55957390, 68122040, 78340346, 111914780, 156680692, 195850865, 223829560, 313361384, 391701730, 783403460, 1566806920]

約数ペア:

[(1, 1566806920), (2, 783403460), (4, 391701730), (5, 313361384), (7, 223829560), (8, 195850865), (10, 156680692), (14, 111914780), (20, 78340346), (23, 68122040), (28, 55957390), (35, 44765912), (40, 39170173), (46, 34061020), (56, 27978695), (70, 22382956), (92, 17030510), (115, 13624408), (140, 11191478), (161, 9731720), (184, 8515255), (223, 7026040), (230, 6812204), (280, 5595739), (322, 4865860), (446, 3513020), (460, 3406102), (644, 2432930), (805, 1946344), (892, 1756510), (920, 1703051), (1091, 1436120), (1115, 1405208), (1288, 1216465), (1561, 1003720), (1610, 973172), (1784, 878255), (2182, 718060), (2230, 702604), (3122, 501860), (3220, 486586), (4364, 359030), (4460, 351302), (5129, 305480), (5455, 287224), (6244, 250930), (6440, 243293), (7637, 205160), (7805, 200744), (8728, 179515), (8920, 175651), (10258, 152740), (10910, 143612), (12488, 125465), (15274, 102580), (15610, 100372), (20516, 76370), (21820, 71806), (25093, 62440), (25645, 61096), (30548, 51290), (31220, 50186), (35903, 43640), (38185, 41032)]