28873260

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 98026656

約数和(自身を除く): 69153396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 457, 468, 486, 540, 585, 702, 780, 810, 914, 972, 1053, 1170, 1215, 1371, 1404, 1620, 1755, 1828, 2106, 2285, 2340, 2430, 2742, 3159, 3510, 4113, 4212, 4570, 4860, 5265, 5484, 5941, 6318, 6855, 7020, 8226, 9140, 10530, 11882, 12339, 12636, 13710, 15795, 16452, 17823, 20565, 21060, 23764, 24678, 27420, 29705, 31590, 35646, 37017, 41130, 49356, 53469, 59410, 61695, 63180, 71292, 74034, 82260, 89115, 106938, 111051, 118820, 123390, 148068, 160407, 178230, 185085, 213876, 222102, 246780, 267345, 320814, 356460, 370170, 444204, 481221, 534690, 555255, 641628, 740340, 802035, 962442, 1069380, 1110510, 1443663, 1604070, 1924884, 2221020, 2406105, 2887326, 3208140, 4812210, 5774652, 7218315, 9624420, 14436630, 28873260]

約数ペア:

[(1, 28873260), (2, 14436630), (3, 9624420), (4, 7218315), (5, 5774652), (6, 4812210), (9, 3208140), (10, 2887326), (12, 2406105), (13, 2221020), (15, 1924884), (18, 1604070), (20, 1443663), (26, 1110510), (27, 1069380), (30, 962442), (36, 802035), (39, 740340), (45, 641628), (52, 555255), (54, 534690), (60, 481221), (65, 444204), (78, 370170), (81, 356460), (90, 320814), (108, 267345), (117, 246780), (130, 222102), (135, 213876), (156, 185085), (162, 178230), (180, 160407), (195, 148068), (234, 123390), (243, 118820), (260, 111051), (270, 106938), (324, 89115), (351, 82260), (390, 74034), (405, 71292), (457, 63180), (468, 61695), (486, 59410), (540, 53469), (585, 49356), (702, 41130), (780, 37017), (810, 35646), (914, 31590), (972, 29705), (1053, 27420), (1170, 24678), (1215, 23764), (1371, 21060), (1404, 20565), (1620, 17823), (1755, 16452), (1828, 15795), (2106, 13710), (2285, 12636), (2340, 12339), (2430, 11882), (2742, 10530), (3159, 9140), (3510, 8226), (4113, 7020), (4212, 6855), (4570, 6318), (4860, 5941), (5265, 5484)]