247962120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1811}}^1$

素因数の和:1995

約数の個数: 128

約数和(自身を含む): 855843840

約数和(自身を除く): 607881720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 163, 168, 210, 280, 326, 420, 489, 652, 815, 840, 978, 1141, 1304, 1630, 1811, 1956, 2282, 2445, 3260, 3423, 3622, 3912, 4564, 4890, 5433, 5705, 6520, 6846, 7244, 9055, 9128, 9780, 10866, 11410, 12677, 13692, 14488, 17115, 18110, 19560, 21732, 22820, 25354, 27165, 27384, 34230, 36220, 38031, 43464, 45640, 50708, 54330, 63385, 68460, 72440, 76062, 101416, 108660, 126770, 136920, 152124, 190155, 217320, 253540, 295193, 304248, 380310, 507080, 590386, 760620, 885579, 1180772, 1475965, 1521240, 1771158, 2066351, 2361544, 2951930, 3542316, 4132702, 4427895, 5903860, 6199053, 7084632, 8265404, 8855790, 10331755, 11807720, 12398106, 16530808, 17711580, 20663510, 24796212, 30995265, 35423160, 41327020, 49592424, 61990530, 82654040, 123981060, 247962120]

約数ペア:

[(1, 247962120), (2, 123981060), (3, 82654040), (4, 61990530), (5, 49592424), (6, 41327020), (7, 35423160), (8, 30995265), (10, 24796212), (12, 20663510), (14, 17711580), (15, 16530808), (20, 12398106), (21, 11807720), (24, 10331755), (28, 8855790), (30, 8265404), (35, 7084632), (40, 6199053), (42, 5903860), (56, 4427895), (60, 4132702), (70, 3542316), (84, 2951930), (105, 2361544), (120, 2066351), (140, 1771158), (163, 1521240), (168, 1475965), (210, 1180772), (280, 885579), (326, 760620), (420, 590386), (489, 507080), (652, 380310), (815, 304248), (840, 295193), (978, 253540), (1141, 217320), (1304, 190155), (1630, 152124), (1811, 136920), (1956, 126770), (2282, 108660), (2445, 101416), (3260, 76062), (3423, 72440), (3622, 68460), (3912, 63385), (4564, 54330), (4890, 50708), (5433, 45640), (5705, 43464), (6520, 38031), (6846, 36220), (7244, 34230), (9055, 27384), (9128, 27165), (9780, 25354), (10866, 22820), (11410, 21732), (12677, 19560), (13692, 18110), (14488, 17115)]