31355820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10247}}^1$

素因数の和:10279

約数の個数: 72

約数和(自身を含む): 100717344

約数和(自身を除く): 69361524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 10247, 20494, 30741, 40988, 51235, 61482, 92223, 102470, 122964, 153705, 174199, 184446, 204940, 307410, 348398, 368892, 461115, 522597, 614820, 696796, 870995, 922230, 1045194, 1567791, 1741990, 1844460, 2090388, 2612985, 3135582, 3483980, 5225970, 6271164, 7838955, 10451940, 15677910, 31355820]

約数ペア:

[(1, 31355820), (2, 15677910), (3, 10451940), (4, 7838955), (5, 6271164), (6, 5225970), (9, 3483980), (10, 3135582), (12, 2612985), (15, 2090388), (17, 1844460), (18, 1741990), (20, 1567791), (30, 1045194), (34, 922230), (36, 870995), (45, 696796), (51, 614820), (60, 522597), (68, 461115), (85, 368892), (90, 348398), (102, 307410), (153, 204940), (170, 184446), (180, 174199), (204, 153705), (255, 122964), (306, 102470), (340, 92223), (510, 61482), (612, 51235), (765, 40988), (1020, 30741), (1530, 20494), (3060, 10247)]