407020140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{941}}^1$

素因数の和:1054

約数の個数: 144

約数和(自身を含む): 1296116640

約数和(自身を除く): 889096500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 162, 178, 180, 243, 267, 270, 324, 356, 405, 445, 486, 534, 540, 801, 810, 890, 941, 972, 1068, 1215, 1335, 1602, 1620, 1780, 1882, 2403, 2430, 2670, 2823, 3204, 3764, 4005, 4705, 4806, 4860, 5340, 5646, 7209, 8010, 8469, 9410, 9612, 11292, 12015, 14115, 14418, 16020, 16938, 18820, 21627, 24030, 25407, 28230, 28836, 33876, 36045, 42345, 43254, 48060, 50814, 56460, 72090, 76221, 83749, 84690, 86508, 101628, 108135, 127035, 144180, 152442, 167498, 169380, 216270, 228663, 251247, 254070, 304884, 334996, 381105, 418745, 432540, 457326, 502494, 508140, 753741, 762210, 837490, 914652, 1004988, 1143315, 1256235, 1507482, 1524420, 1674980, 2261223, 2286630, 2512470, 3014964, 3768705, 4522446, 4573260, 5024940, 6783669, 7537410, 9044892, 11306115, 13567338, 15074820, 20351007, 22612230, 27134676, 33918345, 40702014, 45224460, 67836690, 81404028, 101755035, 135673380, 203510070, 407020140]

約数ペア:

[(1, 407020140), (2, 203510070), (3, 135673380), (4, 101755035), (5, 81404028), (6, 67836690), (9, 45224460), (10, 40702014), (12, 33918345), (15, 27134676), (18, 22612230), (20, 20351007), (27, 15074820), (30, 13567338), (36, 11306115), (45, 9044892), (54, 7537410), (60, 6783669), (81, 5024940), (89, 4573260), (90, 4522446), (108, 3768705), (135, 3014964), (162, 2512470), (178, 2286630), (180, 2261223), (243, 1674980), (267, 1524420), (270, 1507482), (324, 1256235), (356, 1143315), (405, 1004988), (445, 914652), (486, 837490), (534, 762210), (540, 753741), (801, 508140), (810, 502494), (890, 457326), (941, 432540), (972, 418745), (1068, 381105), (1215, 334996), (1335, 304884), (1602, 254070), (1620, 251247), (1780, 228663), (1882, 216270), (2403, 169380), (2430, 167498), (2670, 152442), (2823, 144180), (3204, 127035), (3764, 108135), (4005, 101628), (4705, 86508), (4806, 84690), (4860, 83749), (5340, 76221), (5646, 72090), (7209, 56460), (8010, 50814), (8469, 48060), (9410, 43254), (9612, 42345), (11292, 36045), (12015, 33876), (14115, 28836), (14418, 28230), (16020, 25407), (16938, 24030), (18820, 21627)]