644840040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9613}}^1$

素因数の和:9683

約数の個数: 128

約数和(自身を含む): 2132000640

約数和(自身を除く): 1487160600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1560, 1677, 1720, 2236, 2580, 2795, 3354, 4472, 5160, 5590, 6708, 8385, 9613, 11180, 13416, 16770, 19226, 22360, 28839, 33540, 38452, 48065, 57678, 67080, 76904, 96130, 115356, 124969, 144195, 192260, 230712, 249938, 288390, 374907, 384520, 413359, 499876, 576780, 624845, 749814, 826718, 999752, 1153560, 1240077, 1249690, 1499628, 1653436, 1874535, 2066795, 2480154, 2499380, 2999256, 3306872, 3749070, 4133590, 4960308, 4998760, 5373667, 6200385, 7498140, 8267180, 9920616, 10747334, 12400770, 14996280, 16121001, 16534360, 21494668, 24801540, 26868335, 32242002, 42989336, 49603080, 53736670, 64484004, 80605005, 107473340, 128968008, 161210010, 214946680, 322420020, 644840040]

約数ペア:

[(1, 644840040), (2, 322420020), (3, 214946680), (4, 161210010), (5, 128968008), (6, 107473340), (8, 80605005), (10, 64484004), (12, 53736670), (13, 49603080), (15, 42989336), (20, 32242002), (24, 26868335), (26, 24801540), (30, 21494668), (39, 16534360), (40, 16121001), (43, 14996280), (52, 12400770), (60, 10747334), (65, 9920616), (78, 8267180), (86, 7498140), (104, 6200385), (120, 5373667), (129, 4998760), (130, 4960308), (156, 4133590), (172, 3749070), (195, 3306872), (215, 2999256), (258, 2499380), (260, 2480154), (312, 2066795), (344, 1874535), (390, 1653436), (430, 1499628), (516, 1249690), (520, 1240077), (559, 1153560), (645, 999752), (780, 826718), (860, 749814), (1032, 624845), (1118, 576780), (1290, 499876), (1560, 413359), (1677, 384520), (1720, 374907), (2236, 288390), (2580, 249938), (2795, 230712), (3354, 192260), (4472, 144195), (5160, 124969), (5590, 115356), (6708, 96130), (8385, 76904), (9613, 67080), (11180, 57678), (13416, 48065), (16770, 38452), (19226, 33540), (22360, 28839)]