261300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 826336

約数和(自身を除く): 565036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 67, 75, 78, 100, 130, 134, 150, 156, 195, 201, 260, 268, 300, 325, 335, 390, 402, 650, 670, 780, 804, 871, 975, 1005, 1300, 1340, 1675, 1742, 1950, 2010, 2613, 3350, 3484, 3900, 4020, 4355, 5025, 5226, 6700, 8710, 10050, 10452, 13065, 17420, 20100, 21775, 26130, 43550, 52260, 65325, 87100, 130650, 261300]

約数ペア:

[(1, 261300), (2, 130650), (3, 87100), (4, 65325), (5, 52260), (6, 43550), (10, 26130), (12, 21775), (13, 20100), (15, 17420), (20, 13065), (25, 10452), (26, 10050), (30, 8710), (39, 6700), (50, 5226), (52, 5025), (60, 4355), (65, 4020), (67, 3900), (75, 3484), (78, 3350), (100, 2613), (130, 2010), (134, 1950), (150, 1742), (156, 1675), (195, 1340), (201, 1300), (260, 1005), (268, 975), (300, 871), (325, 804), (335, 780), (390, 670), (402, 650)]