28851480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^2$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 108173520

約数和(自身を除く): 79322040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 107, 120, 126, 140, 168, 180, 210, 214, 252, 280, 315, 321, 360, 420, 428, 504, 535, 630, 642, 749, 840, 856, 963, 1070, 1260, 1284, 1498, 1605, 1926, 2140, 2247, 2520, 2568, 2996, 3210, 3745, 3852, 4280, 4494, 4815, 5992, 6420, 6741, 7490, 7704, 8988, 9630, 11235, 11449, 12840, 13482, 14980, 17976, 19260, 22470, 22898, 26964, 29960, 33705, 34347, 38520, 44940, 45796, 53928, 57245, 67410, 68694, 80143, 89880, 91592, 103041, 114490, 134820, 137388, 160286, 171735, 206082, 228980, 240429, 269640, 274776, 320572, 343470, 400715, 412164, 457960, 480858, 515205, 641144, 686940, 721287, 801430, 824328, 961716, 1030410, 1202145, 1373880, 1442574, 1602860, 1923432, 2060820, 2404290, 2885148, 3205720, 3606435, 4121640, 4808580, 5770296, 7212870, 9617160, 14425740, 28851480]

約数ペア:

[(1, 28851480), (2, 14425740), (3, 9617160), (4, 7212870), (5, 5770296), (6, 4808580), (7, 4121640), (8, 3606435), (9, 3205720), (10, 2885148), (12, 2404290), (14, 2060820), (15, 1923432), (18, 1602860), (20, 1442574), (21, 1373880), (24, 1202145), (28, 1030410), (30, 961716), (35, 824328), (36, 801430), (40, 721287), (42, 686940), (45, 641144), (56, 515205), (60, 480858), (63, 457960), (70, 412164), (72, 400715), (84, 343470), (90, 320572), (105, 274776), (107, 269640), (120, 240429), (126, 228980), (140, 206082), (168, 171735), (180, 160286), (210, 137388), (214, 134820), (252, 114490), (280, 103041), (315, 91592), (321, 89880), (360, 80143), (420, 68694), (428, 67410), (504, 57245), (535, 53928), (630, 45796), (642, 44940), (749, 38520), (840, 34347), (856, 33705), (963, 29960), (1070, 26964), (1260, 22898), (1284, 22470), (1498, 19260), (1605, 17976), (1926, 14980), (2140, 13482), (2247, 12840), (2520, 11449), (2568, 11235), (2996, 9630), (3210, 8988), (3745, 7704), (3852, 7490), (4280, 6741), (4494, 6420), (4815, 5992)]