31980300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{881}}^1$

素因数の和:920

約数の個数: 108

約数和(自身を含む): 101821608

約数和(自身を除く): 69841308

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 121, 132, 150, 165, 220, 242, 275, 300, 330, 363, 484, 550, 605, 660, 726, 825, 881, 1100, 1210, 1452, 1650, 1762, 1815, 2420, 2643, 3025, 3300, 3524, 3630, 4405, 5286, 6050, 7260, 8810, 9075, 9691, 10572, 12100, 13215, 17620, 18150, 19382, 22025, 26430, 29073, 36300, 38764, 44050, 48455, 52860, 58146, 66075, 88100, 96910, 106601, 116292, 132150, 145365, 193820, 213202, 242275, 264300, 290730, 319803, 426404, 484550, 533005, 581460, 639606, 726825, 969100, 1066010, 1279212, 1453650, 1599015, 2132020, 2665025, 2907300, 3198030, 5330050, 6396060, 7995075, 10660100, 15990150, 31980300]

約数ペア:

[(1, 31980300), (2, 15990150), (3, 10660100), (4, 7995075), (5, 6396060), (6, 5330050), (10, 3198030), (11, 2907300), (12, 2665025), (15, 2132020), (20, 1599015), (22, 1453650), (25, 1279212), (30, 1066010), (33, 969100), (44, 726825), (50, 639606), (55, 581460), (60, 533005), (66, 484550), (75, 426404), (100, 319803), (110, 290730), (121, 264300), (132, 242275), (150, 213202), (165, 193820), (220, 145365), (242, 132150), (275, 116292), (300, 106601), (330, 96910), (363, 88100), (484, 66075), (550, 58146), (605, 52860), (660, 48455), (726, 44050), (825, 38764), (881, 36300), (1100, 29073), (1210, 26430), (1452, 22025), (1650, 19382), (1762, 18150), (1815, 17620), (2420, 13215), (2643, 12100), (3025, 10572), (3300, 9691), (3524, 9075), (3630, 8810), (4405, 7260), (5286, 6050)]