68650120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:779

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 130415480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 719, 770, 868, 1085, 1240, 1364, 1438, 1540, 1705, 1736, 2170, 2387, 2728, 2876, 3080, 3410, 3595, 4340, 4774, 5033, 5752, 6820, 7190, 7909, 8680, 9548, 10066, 11935, 13640, 14380, 15818, 19096, 20132, 22289, 23870, 25165, 28760, 31636, 39545, 40264, 44578, 47740, 50330, 55363, 63272, 79090, 89156, 95480, 100660, 110726, 111445, 156023, 158180, 178312, 201320, 221452, 222890, 245179, 276815, 312046, 316360, 442904, 445780, 490358, 553630, 624092, 780115, 891560, 980716, 1107260, 1225895, 1248184, 1560230, 1716253, 1961432, 2214520, 2451790, 3120460, 3432506, 4903580, 6240920, 6865012, 8581265, 9807160, 13730024, 17162530, 34325060, 68650120]

約数ペア:

[(1, 68650120), (2, 34325060), (4, 17162530), (5, 13730024), (7, 9807160), (8, 8581265), (10, 6865012), (11, 6240920), (14, 4903580), (20, 3432506), (22, 3120460), (28, 2451790), (31, 2214520), (35, 1961432), (40, 1716253), (44, 1560230), (55, 1248184), (56, 1225895), (62, 1107260), (70, 980716), (77, 891560), (88, 780115), (110, 624092), (124, 553630), (140, 490358), (154, 445780), (155, 442904), (217, 316360), (220, 312046), (248, 276815), (280, 245179), (308, 222890), (310, 221452), (341, 201320), (385, 178312), (434, 158180), (440, 156023), (616, 111445), (620, 110726), (682, 100660), (719, 95480), (770, 89156), (868, 79090), (1085, 63272), (1240, 55363), (1364, 50330), (1438, 47740), (1540, 44578), (1705, 40264), (1736, 39545), (2170, 31636), (2387, 28760), (2728, 25165), (2876, 23870), (3080, 22289), (3410, 20132), (3595, 19096), (4340, 15818), (4774, 14380), (5033, 13640), (5752, 11935), (6820, 10066), (7190, 9548), (7909, 8680)]