28756260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12289}}^1$

素因数の和:12317

約数の個数: 72

約数和(自身を含む): 93944760

約数和(自身を除く): 65188500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12289, 24578, 36867, 49156, 61445, 73734, 110601, 122890, 147468, 159757, 184335, 221202, 245780, 319514, 368670, 442404, 479271, 553005, 639028, 737340, 798785, 958542, 1106010, 1437813, 1597570, 1917084, 2212020, 2396355, 2875626, 3195140, 4792710, 5751252, 7189065, 9585420, 14378130, 28756260]

約数ペア:

[(1, 28756260), (2, 14378130), (3, 9585420), (4, 7189065), (5, 5751252), (6, 4792710), (9, 3195140), (10, 2875626), (12, 2396355), (13, 2212020), (15, 1917084), (18, 1597570), (20, 1437813), (26, 1106010), (30, 958542), (36, 798785), (39, 737340), (45, 639028), (52, 553005), (60, 479271), (65, 442404), (78, 368670), (90, 319514), (117, 245780), (130, 221202), (156, 184335), (180, 159757), (195, 147468), (234, 122890), (260, 110601), (390, 73734), (468, 61445), (585, 49156), (780, 36867), (1170, 24578), (2340, 12289)]