253984920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1433}}^1$

素因数の和:1665

約数の個数: 128

約数和(自身を含む): 875543040

約数和(自身を除く): 621558120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 211, 280, 420, 422, 633, 840, 844, 1055, 1266, 1433, 1477, 1688, 2110, 2532, 2866, 2954, 3165, 4220, 4299, 4431, 5064, 5732, 5908, 6330, 7165, 7385, 8440, 8598, 8862, 10031, 11464, 11816, 12660, 14330, 14770, 17196, 17724, 20062, 21495, 22155, 25320, 28660, 29540, 30093, 34392, 35448, 40124, 42990, 44310, 50155, 57320, 59080, 60186, 80248, 85980, 88620, 100310, 120372, 150465, 171960, 177240, 200620, 240744, 300930, 302363, 401240, 601860, 604726, 907089, 1203720, 1209452, 1511815, 1814178, 2116541, 2418904, 3023630, 3628356, 4233082, 4535445, 6047260, 6349623, 7256712, 8466164, 9070890, 10582705, 12094520, 12699246, 16932328, 18141780, 21165410, 25398492, 31748115, 36283560, 42330820, 50796984, 63496230, 84661640, 126992460, 253984920]

約数ペア:

[(1, 253984920), (2, 126992460), (3, 84661640), (4, 63496230), (5, 50796984), (6, 42330820), (7, 36283560), (8, 31748115), (10, 25398492), (12, 21165410), (14, 18141780), (15, 16932328), (20, 12699246), (21, 12094520), (24, 10582705), (28, 9070890), (30, 8466164), (35, 7256712), (40, 6349623), (42, 6047260), (56, 4535445), (60, 4233082), (70, 3628356), (84, 3023630), (105, 2418904), (120, 2116541), (140, 1814178), (168, 1511815), (210, 1209452), (211, 1203720), (280, 907089), (420, 604726), (422, 601860), (633, 401240), (840, 302363), (844, 300930), (1055, 240744), (1266, 200620), (1433, 177240), (1477, 171960), (1688, 150465), (2110, 120372), (2532, 100310), (2866, 88620), (2954, 85980), (3165, 80248), (4220, 60186), (4299, 59080), (4431, 57320), (5064, 50155), (5732, 44310), (5908, 42990), (6330, 40124), (7165, 35448), (7385, 34392), (8440, 30093), (8598, 29540), (8862, 28660), (10031, 25320), (11464, 22155), (11816, 21495), (12660, 20062), (14330, 17724), (14770, 17196)]