28203120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1187}}^1$

素因数の和:1220

約数の個数: 160

約数和(自身を含む): 106064640

約数和(自身を除く): 77861520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 880, 990, 1080, 1187, 1188, 1320, 1485, 1584, 1980, 2160, 2374, 2376, 2640, 2970, 3561, 3960, 4748, 4752, 5935, 5940, 7122, 7920, 9496, 10683, 11870, 11880, 13057, 14244, 17805, 18992, 21366, 23740, 23760, 26114, 28488, 32049, 35610, 39171, 42732, 47480, 52228, 53415, 56976, 64098, 65285, 71220, 78342, 85464, 94960, 104456, 106830, 117513, 128196, 130570, 142440, 156684, 160245, 170928, 195855, 208912, 213660, 235026, 256392, 261140, 284880, 313368, 320490, 352539, 391710, 427320, 470052, 512784, 522280, 587565, 626736, 640980, 705078, 783420, 854640, 940104, 1044560, 1175130, 1281960, 1410156, 1566840, 1762695, 1880208, 2350260, 2563920, 2820312, 3133680, 3525390, 4700520, 5640624, 7050780, 9401040, 14101560, 28203120]

約数ペア:

[(1, 28203120), (2, 14101560), (3, 9401040), (4, 7050780), (5, 5640624), (6, 4700520), (8, 3525390), (9, 3133680), (10, 2820312), (11, 2563920), (12, 2350260), (15, 1880208), (16, 1762695), (18, 1566840), (20, 1410156), (22, 1281960), (24, 1175130), (27, 1044560), (30, 940104), (33, 854640), (36, 783420), (40, 705078), (44, 640980), (45, 626736), (48, 587565), (54, 522280), (55, 512784), (60, 470052), (66, 427320), (72, 391710), (80, 352539), (88, 320490), (90, 313368), (99, 284880), (108, 261140), (110, 256392), (120, 235026), (132, 213660), (135, 208912), (144, 195855), (165, 170928), (176, 160245), (180, 156684), (198, 142440), (216, 130570), (220, 128196), (240, 117513), (264, 106830), (270, 104456), (297, 94960), (330, 85464), (360, 78342), (396, 71220), (432, 65285), (440, 64098), (495, 56976), (528, 53415), (540, 52228), (594, 47480), (660, 42732), (720, 39171), (792, 35610), (880, 32049), (990, 28488), (1080, 26114), (1187, 23760), (1188, 23740), (1320, 21366), (1485, 18992), (1584, 17805), (1980, 14244), (2160, 13057), (2374, 11880), (2376, 11870), (2640, 10683), (2970, 9496), (3561, 7920), (3960, 7122), (4748, 5940), (4752, 5935)]