1639448940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1\times {\mathrm{853}}^1$

素因数の和:1279

約数の個数: 96

約数和(自身を含む): 4655379456

約数和(自身を除く): 3015930516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 311, 412, 515, 618, 622, 853, 933, 1030, 1236, 1244, 1545, 1555, 1706, 1866, 2060, 2559, 3090, 3110, 3412, 3732, 4265, 4665, 5118, 6180, 6220, 8530, 9330, 10236, 12795, 17060, 18660, 25590, 32033, 51180, 64066, 87859, 96099, 128132, 160165, 175718, 192198, 263577, 265283, 320330, 351436, 384396, 439295, 480495, 527154, 530566, 640660, 795849, 878590, 960990, 1054308, 1061132, 1317885, 1326415, 1591698, 1757180, 1921980, 2635770, 2652830, 3183396, 3979245, 5271540, 5305660, 7958490, 15916980, 27324149, 54648298, 81972447, 109296596, 136620745, 163944894, 273241490, 327889788, 409862235, 546482980, 819724470, 1639448940]

約数ペア:

[(1, 1639448940), (2, 819724470), (3, 546482980), (4, 409862235), (5, 327889788), (6, 273241490), (10, 163944894), (12, 136620745), (15, 109296596), (20, 81972447), (30, 54648298), (60, 27324149), (103, 15916980), (206, 7958490), (309, 5305660), (311, 5271540), (412, 3979245), (515, 3183396), (618, 2652830), (622, 2635770), (853, 1921980), (933, 1757180), (1030, 1591698), (1236, 1326415), (1244, 1317885), (1545, 1061132), (1555, 1054308), (1706, 960990), (1866, 878590), (2060, 795849), (2559, 640660), (3090, 530566), (3110, 527154), (3412, 480495), (3732, 439295), (4265, 384396), (4665, 351436), (5118, 320330), (6180, 265283), (6220, 263577), (8530, 192198), (9330, 175718), (10236, 160165), (12795, 128132), (17060, 96099), (18660, 87859), (25590, 64066), (32033, 51180)]