81736140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10399}}^1$

素因数の和:10542

約数の個数: 48

約数和(自身を含む): 230630400

約数和(自身を除く): 148894260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 10399, 20798, 31197, 41596, 51995, 62394, 103990, 124788, 155985, 207980, 311970, 623940, 1362269, 2724538, 4086807, 5449076, 6811345, 8173614, 13622690, 16347228, 20434035, 27245380, 40868070, 81736140]

約数ペア:

[(1, 81736140), (2, 40868070), (3, 27245380), (4, 20434035), (5, 16347228), (6, 13622690), (10, 8173614), (12, 6811345), (15, 5449076), (20, 4086807), (30, 2724538), (60, 1362269), (131, 623940), (262, 311970), (393, 207980), (524, 155985), (655, 124788), (786, 103990), (1310, 62394), (1572, 51995), (1965, 41596), (2620, 31197), (3930, 20798), (7860, 10399)]