128511840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15749}}^1$

素因数の和:15784

約数の個数: 96

約数和(自身を含む): 428652000

約数和(自身を除く): 300140160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2720, 4080, 8160, 15749, 31498, 47247, 62996, 78745, 94494, 125992, 157490, 188988, 236235, 251984, 267733, 314980, 377976, 472470, 503968, 535466, 629960, 755952, 803199, 944940, 1070932, 1259920, 1338665, 1511904, 1606398, 1889880, 2141864, 2519840, 2677330, 3212796, 3779760, 4015995, 4283728, 5354660, 6425592, 7559520, 8031990, 8567456, 10709320, 12851184, 16063980, 21418640, 25702368, 32127960, 42837280, 64255920, 128511840]

約数ペア:

[(1, 128511840), (2, 64255920), (3, 42837280), (4, 32127960), (5, 25702368), (6, 21418640), (8, 16063980), (10, 12851184), (12, 10709320), (15, 8567456), (16, 8031990), (17, 7559520), (20, 6425592), (24, 5354660), (30, 4283728), (32, 4015995), (34, 3779760), (40, 3212796), (48, 2677330), (51, 2519840), (60, 2141864), (68, 1889880), (80, 1606398), (85, 1511904), (96, 1338665), (102, 1259920), (120, 1070932), (136, 944940), (160, 803199), (170, 755952), (204, 629960), (240, 535466), (255, 503968), (272, 472470), (340, 377976), (408, 314980), (480, 267733), (510, 251984), (544, 236235), (680, 188988), (816, 157490), (1020, 125992), (1360, 94494), (1632, 78745), (2040, 62996), (2720, 47247), (4080, 31498), (8160, 15749)]