28640820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 87720192

約数和(自身を除く): 59079372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 73, 78, 130, 146, 156, 195, 219, 260, 292, 365, 390, 438, 503, 730, 780, 876, 949, 1006, 1095, 1460, 1509, 1898, 2012, 2190, 2515, 2847, 3018, 3796, 4380, 4745, 5030, 5694, 6036, 6539, 7545, 9490, 10060, 11388, 13078, 14235, 15090, 18980, 19617, 26156, 28470, 30180, 32695, 36719, 39234, 56940, 65390, 73438, 78468, 98085, 110157, 130780, 146876, 183595, 196170, 220314, 367190, 392340, 440628, 477347, 550785, 734380, 954694, 1101570, 1432041, 1909388, 2203140, 2386735, 2864082, 4773470, 5728164, 7160205, 9546940, 14320410, 28640820]

約数ペア:

[(1, 28640820), (2, 14320410), (3, 9546940), (4, 7160205), (5, 5728164), (6, 4773470), (10, 2864082), (12, 2386735), (13, 2203140), (15, 1909388), (20, 1432041), (26, 1101570), (30, 954694), (39, 734380), (52, 550785), (60, 477347), (65, 440628), (73, 392340), (78, 367190), (130, 220314), (146, 196170), (156, 183595), (195, 146876), (219, 130780), (260, 110157), (292, 98085), (365, 78468), (390, 73438), (438, 65390), (503, 56940), (730, 39234), (780, 36719), (876, 32695), (949, 30180), (1006, 28470), (1095, 26156), (1460, 19617), (1509, 18980), (1898, 15090), (2012, 14235), (2190, 13078), (2515, 11388), (2847, 10060), (3018, 9490), (3796, 7545), (4380, 6539), (4745, 6036), (5030, 5694)]