320533920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31799}}^1$

素因数の和:31827

約数の個数: 144

約数和(自身を含む): 1250121600

約数和(自身を除く): 929587680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 31799, 63598, 95397, 127196, 158995, 190794, 222593, 254392, 286191, 317990, 381588, 445186, 476985, 508784, 572382, 635980, 667779, 763176, 890372, 953970, 1017568, 1112965, 1144764, 1271960, 1335558, 1430955, 1526352, 1780744, 1907940, 2003337, 2225930, 2289528, 2543920, 2671116, 2861910, 3052704, 3338895, 3561488, 3815880, 4006674, 4451860, 4579056, 5087840, 5342232, 5723820, 6677790, 7122976, 7631760, 8013348, 8903720, 9158112, 10016685, 10684464, 11447640, 13355580, 15263520, 16026696, 17807440, 20033370, 21368928, 22895280, 26711160, 32053392, 35614880, 40066740, 45790560, 53422320, 64106784, 80133480, 106844640, 160266960, 320533920]

約数ペア:

[(1, 320533920), (2, 160266960), (3, 106844640), (4, 80133480), (5, 64106784), (6, 53422320), (7, 45790560), (8, 40066740), (9, 35614880), (10, 32053392), (12, 26711160), (14, 22895280), (15, 21368928), (16, 20033370), (18, 17807440), (20, 16026696), (21, 15263520), (24, 13355580), (28, 11447640), (30, 10684464), (32, 10016685), (35, 9158112), (36, 8903720), (40, 8013348), (42, 7631760), (45, 7122976), (48, 6677790), (56, 5723820), (60, 5342232), (63, 5087840), (70, 4579056), (72, 4451860), (80, 4006674), (84, 3815880), (90, 3561488), (96, 3338895), (105, 3052704), (112, 2861910), (120, 2671116), (126, 2543920), (140, 2289528), (144, 2225930), (160, 2003337), (168, 1907940), (180, 1780744), (210, 1526352), (224, 1430955), (240, 1335558), (252, 1271960), (280, 1144764), (288, 1112965), (315, 1017568), (336, 953970), (360, 890372), (420, 763176), (480, 667779), (504, 635980), (560, 572382), (630, 508784), (672, 476985), (720, 445186), (840, 381588), (1008, 317990), (1120, 286191), (1260, 254392), (1440, 222593), (1680, 190794), (2016, 158995), (2520, 127196), (3360, 95397), (5040, 63598), (10080, 31799)]