15688680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1023

約数の個数: 128

約数和(自身を含む): 56678400

約数和(自身を除く): 40989720

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, 760, 798, 840, 983, 1064, 1140, 1330, 1596, 1966, 1995, 2280, 2660, 2949, 3192, 3932, 3990, 4915, 5320, 5898, 6881, 7864, 7980, 9830, 11796, 13762, 14745, 15960, 18677, 19660, 20643, 23592, 27524, 29490, 34405, 37354, 39320, 41286, 55048, 56031, 58980, 68810, 74708, 82572, 93385, 103215, 112062, 117960, 130739, 137620, 149416, 165144, 186770, 206430, 224124, 261478, 275240, 280155, 373540, 392217, 412860, 448248, 522956, 560310, 653695, 747080, 784434, 825720, 1045912, 1120620, 1307390, 1568868, 1961085, 2241240, 2614780, 3137736, 3922170, 5229560, 7844340, 15688680]

約数ペア:

[(1, 15688680), (2, 7844340), (3, 5229560), (4, 3922170), (5, 3137736), (6, 2614780), (7, 2241240), (8, 1961085), (10, 1568868), (12, 1307390), (14, 1120620), (15, 1045912), (19, 825720), (20, 784434), (21, 747080), (24, 653695), (28, 560310), (30, 522956), (35, 448248), (38, 412860), (40, 392217), (42, 373540), (56, 280155), (57, 275240), (60, 261478), (70, 224124), (76, 206430), (84, 186770), (95, 165144), (105, 149416), (114, 137620), (120, 130739), (133, 117960), (140, 112062), (152, 103215), (168, 93385), (190, 82572), (210, 74708), (228, 68810), (266, 58980), (280, 56031), (285, 55048), (380, 41286), (399, 39320), (420, 37354), (456, 34405), (532, 29490), (570, 27524), (665, 23592), (760, 20643), (798, 19660), (840, 18677), (983, 15960), (1064, 14745), (1140, 13762), (1330, 11796), (1596, 9830), (1966, 7980), (1995, 7864), (2280, 6881), (2660, 5898), (2949, 5320), (3192, 4915), (3932, 3990)]