40197780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:606

約数の個数: 144

約数和(自身を含む): 141907584

約数和(自身を除く): 101709804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 523, 549, 610, 630, 732, 854, 915, 1046, 1098, 1220, 1260, 1281, 1569, 1708, 1830, 2092, 2135, 2196, 2562, 2615, 2745, 3138, 3660, 3661, 3843, 4270, 4707, 5124, 5230, 5490, 6276, 6405, 7322, 7686, 7845, 8540, 9414, 10460, 10980, 10983, 12810, 14644, 15372, 15690, 18305, 18828, 19215, 21966, 23535, 25620, 31380, 31903, 32949, 36610, 38430, 43932, 47070, 54915, 63806, 65898, 73220, 76860, 94140, 95709, 109830, 127612, 131796, 159515, 164745, 191418, 219660, 223321, 287127, 319030, 329490, 382836, 446642, 478545, 574254, 638060, 658980, 669963, 893284, 957090, 1116605, 1148508, 1339926, 1435635, 1914180, 2009889, 2233210, 2679852, 2871270, 3349815, 4019778, 4466420, 5742540, 6699630, 8039556, 10049445, 13399260, 20098890, 40197780]

約数ペア:

[(1, 40197780), (2, 20098890), (3, 13399260), (4, 10049445), (5, 8039556), (6, 6699630), (7, 5742540), (9, 4466420), (10, 4019778), (12, 3349815), (14, 2871270), (15, 2679852), (18, 2233210), (20, 2009889), (21, 1914180), (28, 1435635), (30, 1339926), (35, 1148508), (36, 1116605), (42, 957090), (45, 893284), (60, 669963), (61, 658980), (63, 638060), (70, 574254), (84, 478545), (90, 446642), (105, 382836), (122, 329490), (126, 319030), (140, 287127), (180, 223321), (183, 219660), (210, 191418), (244, 164745), (252, 159515), (305, 131796), (315, 127612), (366, 109830), (420, 95709), (427, 94140), (523, 76860), (549, 73220), (610, 65898), (630, 63806), (732, 54915), (854, 47070), (915, 43932), (1046, 38430), (1098, 36610), (1220, 32949), (1260, 31903), (1281, 31380), (1569, 25620), (1708, 23535), (1830, 21966), (2092, 19215), (2135, 18828), (2196, 18305), (2562, 15690), (2615, 15372), (2745, 14644), (3138, 12810), (3660, 10983), (3661, 10980), (3843, 10460), (4270, 9414), (4707, 8540), (5124, 7845), (5230, 7686), (5490, 7322), (6276, 6405)]