198871920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21247}}^1$

素因数の和:21279

約数の個数: 120

約数和(自身を含む): 719287296

約数和(自身を除く): 520415376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 21247, 42494, 63741, 84988, 106235, 127482, 169976, 191223, 212470, 254964, 276211, 318705, 339952, 382446, 424940, 509928, 552422, 637410, 764892, 828633, 849880, 956115, 1019856, 1104844, 1274820, 1381055, 1529784, 1657266, 1699760, 1912230, 2209688, 2485899, 2549640, 2762110, 3059568, 3314532, 3824460, 4143165, 4419376, 4971798, 5099280, 5524220, 6629064, 7648920, 8286330, 9943596, 11048440, 12429495, 13258128, 15297840, 16572660, 19887192, 22096880, 24858990, 33145320, 39774384, 49717980, 66290640, 99435960, 198871920]

約数ペア:

[(1, 198871920), (2, 99435960), (3, 66290640), (4, 49717980), (5, 39774384), (6, 33145320), (8, 24858990), (9, 22096880), (10, 19887192), (12, 16572660), (13, 15297840), (15, 13258128), (16, 12429495), (18, 11048440), (20, 9943596), (24, 8286330), (26, 7648920), (30, 6629064), (36, 5524220), (39, 5099280), (40, 4971798), (45, 4419376), (48, 4143165), (52, 3824460), (60, 3314532), (65, 3059568), (72, 2762110), (78, 2549640), (80, 2485899), (90, 2209688), (104, 1912230), (117, 1699760), (120, 1657266), (130, 1529784), (144, 1381055), (156, 1274820), (180, 1104844), (195, 1019856), (208, 956115), (234, 849880), (240, 828633), (260, 764892), (312, 637410), (360, 552422), (390, 509928), (468, 424940), (520, 382446), (585, 339952), (624, 318705), (720, 276211), (780, 254964), (936, 212470), (1040, 191223), (1170, 169976), (1560, 127482), (1872, 106235), (2340, 84988), (3120, 63741), (4680, 42494), (9360, 21247)]