31557900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 101743488

約数和(自身を除く): 70185588

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 73, 75, 100, 110, 131, 132, 146, 150, 165, 219, 220, 262, 275, 292, 300, 330, 365, 393, 438, 524, 550, 655, 660, 730, 786, 803, 825, 876, 1095, 1100, 1310, 1441, 1460, 1572, 1606, 1650, 1825, 1965, 2190, 2409, 2620, 2882, 3212, 3275, 3300, 3650, 3930, 4015, 4323, 4380, 4818, 5475, 5764, 6550, 7205, 7300, 7860, 8030, 8646, 9563, 9636, 9825, 10950, 12045, 13100, 14410, 16060, 17292, 19126, 19650, 20075, 21615, 21900, 24090, 28689, 28820, 36025, 38252, 39300, 40150, 43230, 47815, 48180, 57378, 60225, 72050, 80300, 86460, 95630, 105193, 108075, 114756, 120450, 143445, 144100, 191260, 210386, 216150, 239075, 240900, 286890, 315579, 420772, 432300, 478150, 525965, 573780, 631158, 717225, 956300, 1051930, 1262316, 1434450, 1577895, 2103860, 2629825, 2868900, 3155790, 5259650, 6311580, 7889475, 10519300, 15778950, 31557900]

約数ペア:

[(1, 31557900), (2, 15778950), (3, 10519300), (4, 7889475), (5, 6311580), (6, 5259650), (10, 3155790), (11, 2868900), (12, 2629825), (15, 2103860), (20, 1577895), (22, 1434450), (25, 1262316), (30, 1051930), (33, 956300), (44, 717225), (50, 631158), (55, 573780), (60, 525965), (66, 478150), (73, 432300), (75, 420772), (100, 315579), (110, 286890), (131, 240900), (132, 239075), (146, 216150), (150, 210386), (165, 191260), (219, 144100), (220, 143445), (262, 120450), (275, 114756), (292, 108075), (300, 105193), (330, 95630), (365, 86460), (393, 80300), (438, 72050), (524, 60225), (550, 57378), (655, 48180), (660, 47815), (730, 43230), (786, 40150), (803, 39300), (825, 38252), (876, 36025), (1095, 28820), (1100, 28689), (1310, 24090), (1441, 21900), (1460, 21615), (1572, 20075), (1606, 19650), (1650, 19126), (1825, 17292), (1965, 16060), (2190, 14410), (2409, 13100), (2620, 12045), (2882, 10950), (3212, 9825), (3275, 9636), (3300, 9563), (3650, 8646), (3930, 8030), (4015, 7860), (4323, 7300), (4380, 7205), (4818, 6550), (5475, 5764)]