47121280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 122938560

約数和(自身を除く): 75817280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 64, 68, 71, 80, 85, 122, 128, 136, 142, 160, 170, 244, 272, 284, 305, 320, 340, 355, 488, 544, 568, 610, 640, 680, 710, 976, 1037, 1088, 1136, 1207, 1220, 1360, 1420, 1952, 2074, 2176, 2272, 2414, 2440, 2720, 2840, 3904, 4148, 4331, 4544, 4828, 4880, 5185, 5440, 5680, 6035, 7808, 8296, 8662, 9088, 9656, 9760, 10370, 10880, 11360, 12070, 16592, 17324, 19312, 19520, 20740, 21655, 22720, 24140, 33184, 34648, 38624, 39040, 41480, 43310, 45440, 48280, 66368, 69296, 73627, 77248, 82960, 86620, 96560, 132736, 138592, 147254, 154496, 165920, 173240, 193120, 277184, 294508, 331840, 346480, 368135, 386240, 554368, 589016, 663680, 692960, 736270, 772480, 1178032, 1385920, 1472540, 2356064, 2771840, 2945080, 4712128, 5890160, 9424256, 11780320, 23560640, 47121280]

約数ペア:

[(1, 47121280), (2, 23560640), (4, 11780320), (5, 9424256), (8, 5890160), (10, 4712128), (16, 2945080), (17, 2771840), (20, 2356064), (32, 1472540), (34, 1385920), (40, 1178032), (61, 772480), (64, 736270), (68, 692960), (71, 663680), (80, 589016), (85, 554368), (122, 386240), (128, 368135), (136, 346480), (142, 331840), (160, 294508), (170, 277184), (244, 193120), (272, 173240), (284, 165920), (305, 154496), (320, 147254), (340, 138592), (355, 132736), (488, 96560), (544, 86620), (568, 82960), (610, 77248), (640, 73627), (680, 69296), (710, 66368), (976, 48280), (1037, 45440), (1088, 43310), (1136, 41480), (1207, 39040), (1220, 38624), (1360, 34648), (1420, 33184), (1952, 24140), (2074, 22720), (2176, 21655), (2272, 20740), (2414, 19520), (2440, 19312), (2720, 17324), (2840, 16592), (3904, 12070), (4148, 11360), (4331, 10880), (4544, 10370), (4828, 9760), (4880, 9656), (5185, 9088), (5440, 8662), (5680, 8296), (6035, 7808)]