12081720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:797

約数の個数: 128

約数和(自身を含む): 43660800

約数和(自身を除く): 31579080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 757, 760, 798, 840, 1064, 1140, 1330, 1514, 1596, 1995, 2271, 2280, 2660, 3028, 3192, 3785, 3990, 4542, 5299, 5320, 6056, 7570, 7980, 9084, 10598, 11355, 14383, 15140, 15897, 15960, 18168, 21196, 22710, 26495, 28766, 30280, 31794, 42392, 43149, 45420, 52990, 57532, 63588, 71915, 79485, 86298, 90840, 100681, 105980, 115064, 127176, 143830, 158970, 172596, 201362, 211960, 215745, 287660, 302043, 317940, 345192, 402724, 431490, 503405, 575320, 604086, 635880, 805448, 862980, 1006810, 1208172, 1510215, 1725960, 2013620, 2416344, 3020430, 4027240, 6040860, 12081720]

約数ペア:

[(1, 12081720), (2, 6040860), (3, 4027240), (4, 3020430), (5, 2416344), (6, 2013620), (7, 1725960), (8, 1510215), (10, 1208172), (12, 1006810), (14, 862980), (15, 805448), (19, 635880), (20, 604086), (21, 575320), (24, 503405), (28, 431490), (30, 402724), (35, 345192), (38, 317940), (40, 302043), (42, 287660), (56, 215745), (57, 211960), (60, 201362), (70, 172596), (76, 158970), (84, 143830), (95, 127176), (105, 115064), (114, 105980), (120, 100681), (133, 90840), (140, 86298), (152, 79485), (168, 71915), (190, 63588), (210, 57532), (228, 52990), (266, 45420), (280, 43149), (285, 42392), (380, 31794), (399, 30280), (420, 28766), (456, 26495), (532, 22710), (570, 21196), (665, 18168), (757, 15960), (760, 15897), (798, 15140), (840, 14383), (1064, 11355), (1140, 10598), (1330, 9084), (1514, 7980), (1596, 7570), (1995, 6056), (2271, 5320), (2280, 5299), (2660, 4542), (3028, 3990), (3192, 3785)]