202017720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 622702080

約数和(自身を除く): 420684360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 131, 142, 181, 213, 262, 284, 355, 362, 393, 426, 524, 543, 568, 655, 710, 724, 786, 852, 905, 1048, 1065, 1086, 1310, 1420, 1448, 1572, 1704, 1810, 1965, 2130, 2172, 2620, 2715, 2840, 3144, 3620, 3930, 4260, 4344, 5240, 5430, 7240, 7860, 8520, 9301, 10860, 12851, 15720, 18602, 21720, 23711, 25702, 27903, 37204, 38553, 46505, 47422, 51404, 55806, 64255, 71133, 74408, 77106, 93010, 94844, 102808, 111612, 118555, 128510, 139515, 142266, 154212, 186020, 189688, 192765, 223224, 237110, 257020, 279030, 284532, 308424, 355665, 372040, 385530, 474220, 514040, 558060, 569064, 711330, 771060, 948440, 1116120, 1422660, 1542120, 1683481, 2845320, 3366962, 5050443, 6733924, 8417405, 10100886, 13467848, 16834810, 20201772, 25252215, 33669620, 40403544, 50504430, 67339240, 101008860, 202017720]

約数ペア:

[(1, 202017720), (2, 101008860), (3, 67339240), (4, 50504430), (5, 40403544), (6, 33669620), (8, 25252215), (10, 20201772), (12, 16834810), (15, 13467848), (20, 10100886), (24, 8417405), (30, 6733924), (40, 5050443), (60, 3366962), (71, 2845320), (120, 1683481), (131, 1542120), (142, 1422660), (181, 1116120), (213, 948440), (262, 771060), (284, 711330), (355, 569064), (362, 558060), (393, 514040), (426, 474220), (524, 385530), (543, 372040), (568, 355665), (655, 308424), (710, 284532), (724, 279030), (786, 257020), (852, 237110), (905, 223224), (1048, 192765), (1065, 189688), (1086, 186020), (1310, 154212), (1420, 142266), (1448, 139515), (1572, 128510), (1704, 118555), (1810, 111612), (1965, 102808), (2130, 94844), (2172, 93010), (2620, 77106), (2715, 74408), (2840, 71133), (3144, 64255), (3620, 55806), (3930, 51404), (4260, 47422), (4344, 46505), (5240, 38553), (5430, 37204), (7240, 27903), (7860, 25702), (8520, 23711), (9301, 21720), (10860, 18602), (12851, 15720)]