31696980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 102273024

約数和(自身を除く): 70576044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 163, 210, 326, 420, 463, 489, 652, 815, 926, 978, 1141, 1389, 1630, 1852, 1956, 2282, 2315, 2445, 2778, 3241, 3260, 3423, 4564, 4630, 4890, 5556, 5705, 6482, 6846, 6945, 9260, 9723, 9780, 11410, 12964, 13692, 13890, 16205, 17115, 19446, 22820, 27780, 32410, 34230, 38892, 48615, 64820, 68460, 75469, 97230, 150938, 194460, 226407, 301876, 377345, 452814, 528283, 754690, 905628, 1056566, 1132035, 1509380, 1584849, 2113132, 2264070, 2641415, 3169698, 4528140, 5282830, 6339396, 7924245, 10565660, 15848490, 31696980]

約数ペア:

[(1, 31696980), (2, 15848490), (3, 10565660), (4, 7924245), (5, 6339396), (6, 5282830), (7, 4528140), (10, 3169698), (12, 2641415), (14, 2264070), (15, 2113132), (20, 1584849), (21, 1509380), (28, 1132035), (30, 1056566), (35, 905628), (42, 754690), (60, 528283), (70, 452814), (84, 377345), (105, 301876), (140, 226407), (163, 194460), (210, 150938), (326, 97230), (420, 75469), (463, 68460), (489, 64820), (652, 48615), (815, 38892), (926, 34230), (978, 32410), (1141, 27780), (1389, 22820), (1630, 19446), (1852, 17115), (1956, 16205), (2282, 13890), (2315, 13692), (2445, 12964), (2778, 11410), (3241, 9780), (3260, 9723), (3423, 9260), (4564, 6945), (4630, 6846), (4890, 6482), (5556, 5705)]