156911909720

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1291}}^1\times {\mathrm{20123}}^1$

素因数の和:21576

約数の個数: 64

約数和(自身を含む): 355682845440

約数和(自身を除く): 198770935720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1291, 1510, 2582, 3020, 5164, 6040, 6455, 10328, 12910, 20123, 25820, 40246, 51640, 80492, 100615, 160984, 194941, 201230, 389882, 402460, 779764, 804920, 974705, 1559528, 1949410, 3038573, 3898820, 6077146, 7797640, 12154292, 15192865, 24308584, 25978793, 30385730, 51957586, 60771460, 103915172, 121542920, 129893965, 207830344, 259787930, 519575860, 1039151720, 3922797743, 7845595486, 15691190972, 19613988715, 31382381944, 39227977430, 78455954860, 156911909720]

約数ペア:

[(1, 156911909720), (2, 78455954860), (4, 39227977430), (5, 31382381944), (8, 19613988715), (10, 15691190972), (20, 7845595486), (40, 3922797743), (151, 1039151720), (302, 519575860), (604, 259787930), (755, 207830344), (1208, 129893965), (1291, 121542920), (1510, 103915172), (2582, 60771460), (3020, 51957586), (5164, 30385730), (6040, 25978793), (6455, 24308584), (10328, 15192865), (12910, 12154292), (20123, 7797640), (25820, 6077146), (40246, 3898820), (51640, 3038573), (80492, 1949410), (100615, 1559528), (160984, 974705), (194941, 804920), (201230, 779764), (389882, 402460)]