28357440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 112

約数和(自身を含む): 91196160

約数和(自身を除く): 62838720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 160, 192, 218, 240, 271, 320, 327, 436, 480, 542, 545, 654, 813, 872, 960, 1084, 1090, 1308, 1355, 1626, 1635, 1744, 2168, 2180, 2616, 2710, 3252, 3270, 3488, 4065, 4336, 4360, 5232, 5420, 6504, 6540, 6976, 8130, 8672, 8720, 10464, 10840, 13008, 13080, 16260, 17344, 17440, 20928, 21680, 26016, 26160, 29539, 32520, 34880, 43360, 52032, 52320, 59078, 65040, 86720, 88617, 104640, 118156, 130080, 147695, 177234, 236312, 260160, 295390, 354468, 443085, 472624, 590780, 708936, 886170, 945248, 1181560, 1417872, 1772340, 1890496, 2363120, 2835744, 3544680, 4726240, 5671488, 7089360, 9452480, 14178720, 28357440]

約数ペア:

[(1, 28357440), (2, 14178720), (3, 9452480), (4, 7089360), (5, 5671488), (6, 4726240), (8, 3544680), (10, 2835744), (12, 2363120), (15, 1890496), (16, 1772340), (20, 1417872), (24, 1181560), (30, 945248), (32, 886170), (40, 708936), (48, 590780), (60, 472624), (64, 443085), (80, 354468), (96, 295390), (109, 260160), (120, 236312), (160, 177234), (192, 147695), (218, 130080), (240, 118156), (271, 104640), (320, 88617), (327, 86720), (436, 65040), (480, 59078), (542, 52320), (545, 52032), (654, 43360), (813, 34880), (872, 32520), (960, 29539), (1084, 26160), (1090, 26016), (1308, 21680), (1355, 20928), (1626, 17440), (1635, 17344), (1744, 16260), (2168, 13080), (2180, 13008), (2616, 10840), (2710, 10464), (3252, 8720), (3270, 8672), (3488, 8130), (4065, 6976), (4336, 6540), (4360, 6504), (5232, 5420)]